Twice Upon a Time (TV story): Difference between revisions

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(There isn't a villain, the Doctor just initially misunderstands the situation. He says "It's not an evil plan" later.)
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{{Cleanup|The introduction, and possibly other parts of the page, need to be updated in light of Gold and Moffat both since returning to the series.}}
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{{Infobox Story
{{Infobox Story SMW
|image          = Twice Upon a Time Two Doctors.jpg
|image          = Twice Upon a Time Two Doctors.jpg
|series          = [[Doctor Who television stories|''Doctor Who'' television stories]]
|series          = [[Doctor Who television stories|''Doctor Who'' television stories]]
|special        = [[Christmas Special]] 2017
|special        = [[Christmas Special]] 2017
|story number    = 275
|story number    = 276
|novelisation    = Twice Upon a Time (novelisation)
|novelisation    = Twice Upon a Time (novelisation)
|doctor          = Twelfth Doctor
|doctor          = Twelfth Doctor, First Doctor
|featuring      = First Doctor
|featuring      = [[Archibald Hamish Lethbridge-Stewart|The Captain]], [[Bill Potts|Bill]], [[Rusty (Into the Dalek)|Rusty]], [[Nardole]], [[Clara Oswald|Clara]], [[Polly Wright|Polly]], [[Ben Jackson|Ben]], [[Second Doctor]], [[Thirteenth Doctor]]
|featuring2      = Bill Potts
|setting        = {{il|[[Antarctica]], [[December]] [[1986]]|[[Villengard]], [[far future]]|[[Ypres]], [[Christmas]] [[1914]]}}
|featuring3      = Archibald Hamish Lethbridge-Stewart{{!}}the Captain
|writer    = Steven Moffat
|featuring4      = Rusty
|other writers  = Kit Pedler, Gerry Davis, Chris Chibnall
|featuring5      = Thirteenth Doctor
|setting        = {{il|[[Antarctica]], [[December]] [[1986]];|[[Villengard]], [[far future]];||[[Ypres]], [[Christmas]] [[1914]]}}
|lead writer    = Steven Moffat
|other writers  = [[Kit Pedler]], [[Gerry Davis]], [[Chris Chibnall]]
|director        = [[Rachel Talalay]]
|director        = [[Rachel Talalay]]
|producer        = [[Peter Bennett]]
|producer        = [[Peter Bennett]]
|broadcast date  = [[25 December (releases)|25 December]] [[2017 (releases)|2017]]
|broadcast date  = 25 December 2017
|network        = [[BBC One]]
|network        = BBC One
|format          = 1x60 minute episode
|format          = 1x60 minute episode
|prev            = The Doctor Falls (TV story)
|prev            = The Doctor Falls (TV story)
|next            = The Woman Who Fell to Earth (TV story)
|next            = The Universe is Calling (TV story)
|series2        = [[Christmas special]]s
|series2        = [[Christmas special]]s
|prev2          = The Return of Doctor Mysterio (TV story)
|prev2          = The Return of Doctor Mysterio (TV story)
|next2          = <!-- As of 2019, this was the last one -->
|next2          = The Church on Ruby Road (TV story)
|series3        = Winter specials<!--Holiday specials?-->
|series3        = [[Festive Special]]s
|prev3          = The Return of Doctor Mysterio (TV story)
|prev3          = The Return of Doctor Mysterio (TV story)
|next3          = Resolution (TV story)
|next3          = Resolution (TV story)
Line 39: Line 36:
|bts            = Peter Capaldi On Filming His Regeneration Episode - Doctor Who
|bts            = Peter Capaldi On Filming His Regeneration Episode - Doctor Who
|bts2            = Twice Upon A Time Introduction - Doctor Who
|bts2            = Twice Upon A Time Introduction - Doctor Who
|bts3            = The Twelfth Doctor's Final Story, Regeneration & MORE! - The Aftershow - Doctor Who The Fan Show
|bts3            = The Twelfth Doctor's Final Story, Regeneration & MORE! - The Aftershow - Doctor Who The Fan Show}}
}}
'''''Twice Upon a Time''''' was the 2017 [[Christmas Special]] of ''[[Doctor Who]]''. It was the show's thirteenth Christmas special since its revival and the fourth starring Capaldi as the Doctor. It was also the final chronological appearance of [[Peter Capaldi]] as the [[Twelfth Doctor]] and introduced [[Jodie Whittaker]] as the [[Thirteenth Doctor]] in its closing moments.
'''''Twice Upon a Time''''' was the 2017 [[Christmas Special]] of ''[[Doctor Who]]''. It was the show's thirteenth Christmas special since its revival and the fourth starring Capaldi as the Doctor. It was also the final chronological appearance of [[Peter Capaldi]] as the [[Twelfth Doctor]] and introduced [[Jodie Whittaker]] as the [[Thirteenth Doctor]] in its closing moments.


After a surprise appearance at the end of [[TV]]: ''[[The Doctor Falls]]'', the [[First Doctor]] was an integral part of the special's narrative. Here, he was portrayed by [[David Bradley]], who had previously played the original actor [[William Hartnell]] in ''[[An Adventure in Space and Time (TV story)|An Adventure in Space and Time]]''. Archival footage from ''[[The Tenth Planet (TV story)|The Tenth Planet]]'' was used to bookmark the First Doctor's place in this story.  
After a surprise appearance at the end of {{cs|The Doctor Falls (TV story)}}, the [[First Doctor]] was an integral part of the special's narrative. Here, he was portrayed by [[David Bradley]], who had previously played the original actor [[William Hartnell]] in ''[[An Adventure in Space and Time (TV story)|An Adventure in Space and Time]]''. Archival footage from {{cs|The Tenth Planet (TV story)}} was used to bookmark the First Doctor's place in this story, with ''Twice Upon a Time'' retroactively inserting one final adventure for the First Doctor before his regeneration, as well as explaining his absence after leaving Ben and Polly during the last episode of ''The Tenth Planet''.


[[Ben Jackson]] and [[Polly Wright]] made a brief re-reappearance in the programme for the first time since their exit in 1967's ''[[The Faceless Ones (TV story)|The Faceless Ones]]''. [[Bill Potts]] joined the two Doctors as a [[Testimony]] [[glass avatar]]. Past companions [[Nardole]] and [[Clara Oswald]] made similar brief appearances. [[Rusty]], from Capaldi's second episode, ''[[Into the Dalek (TV story)|Into the Dalek]]'', made his second appearance in [[Villengard]], a location mentioned only once before on television, in Steven Moffat's second television story, 2005's ''[[The Doctor Dances (TV story)|The Doctor Dances]]''.
Speaking of which, [[Ben Jackson]] and [[Polly Wright]] made a brief re-reappearance in the programme for the first time since their exit in 1967's ''[[The Faceless Ones (TV story)|The Faceless Ones]]. '' [[Bill Potts]] joined the two Doctors as a [[Testimony]] [[glass avatar]]. Past companions [[Nardole]] and [[Clara Oswald]] made similar brief appearances. [[Rusty (Into the Dalek)|Rusty]], from Capaldi's second episode, {{cs|Into the Dalek (TV story)}}, made his second appearance in [[Villengard]], a location mentioned only once before on television, in Steven Moffat's second television story, 2005's {{cs|The Doctor Dances (TV story)}}.


In early 2018, [[Murray Gold]] announced his departure from Doctor Who after twelve years at the [[Gallifrey One]] convention, confirming that ''Twice Upon A Time'' was his last episode. It was also the final story with Steven Moffat as [[head writer]] and the first to include any part written and overseen by incoming lead writer, [[Chris Chibnall]].<ref name="DWM">[[DWM 516]]</ref>
It's also worth noting that ''Twice Upon a Time'' marks the first time two different incarnations of the Doctor were seen regenerating in the same episode; with the First Doctor's regeneration into the [[Second Doctor]] shown briefly before the special ends with the Twelfth Doctor regenerating.


While not known at the time, this would also turn out to be the last consecutive Christmas special of the revived series, breaking the streak that began with ''[[The Christmas Invasion (TV story)|The Christmas Invasion]]'' in [[2005 (releases)|2005]]. The show would forgo its usual Christmas special in [[2018 (releases)|2018]] in favour of a [[New Year Special]] at the beginning of [[2019 (releases)|2019]].
In early 2018, [[Murray Gold]] announced his departure from ''Doctor Who'' after twelve years at the [[Gallifrey One]] convention, confirming that ''Twice Upon a Time'' was his last episode. It was also the final story with Steven Moffat as [[head writer]] and the first to include any part written and overseen by incoming lead writer, [[Chris Chibnall]].<ref name="DWM">[[DWM 516]]</ref>
 
While not known at the time, this would also turn out to be the last consecutive Christmas special of the revived series, breaking the streak that began with {{cs|The Christmas Invasion (TV story)}} in [[2005 (releases)|2005]]. The show would forgo its usual Christmas special in [[2018 (releases)|2018]] in favour of a [[New Year Special]] at the beginning of [[2019 (releases)|2019]]. The [[New Year's Day]] broadcasts continued from 2019 to [[2022 (releases)|2022]], before Christmas specials returned with {{cs|The Church on Ruby Road (TV story)}}, which aired on 25 December [[2023 (releases)|2023]].  


== Synopsis ==
== Synopsis ==
As the Doctor nears regeneration, he stumbles on his original self, also refusing to change. It takes a captain, a glass avatar and a familiar face to convince the Doctors the universe still needs them.<!--do not add the BBC synopsis or anyone else's-->
As the Doctor nears regeneration, he stumbles on his original self, also refusing to change. It takes a captain, a glass avatar and a familiar face to convince the Doctors the universe still needs them.


== Plot ==
== Plot ==
The [[First Doctor]] nears his death after an [[The Tenth Planet (TV story)|encounter]] with the [[Cyberman (Mondas)|Cybermen]] from [[Mondas]]. He is freed from his restraints by his companions Ben and Polly, now that the threat is over. However, he is weak, his body beginning to [[regenerate]]. Refusing to give in, the Doctor leaves and wanders the South Pole, mumbling to himself that he will not change. Nearing his [[The Doctor's TARDIS|TARDIS]], he hears a voice in the distance yelling in defiance. Seeing a figure kneeling outside his TARDIS, the Doctor asks who the man is. The man claims to be [[the Doctor]]. With a smug sense of superiority, the First Doctor tells the man that's not true; "you may be a doctor, but I am ''the'' the doctor. The original you might say."  
The [[First Doctor]] nears his end after an [[The Tenth Planet (TV story)|encounter]] with [[CyberMondan|Mondasian Cybermen]]. He is freed from his restraints by his companions [[Ben Jackson|Ben]] and [[Polly Wright|Polly]], now that the threat is over. However, he is weak, his body beginning to [[regenerate]]. Refusing to give in, the Doctor leaves and wanders the South Pole, mumbling to himself that he will not change out of [[cowardice]]. Nearing his [[The Doctor's TARDIS|TARDIS]], he hears a voice in the distance yelling in defiance. Seeing a figure kneeling outside his TARDIS, the Doctor asks who the man is. The man claims to be [[the Doctor]]. With a smug sense of superiority, the First Doctor tells the man that's not true; "you may be ''a'' doctor, but I am ''the'' Doctor. The original, you might say."


The scene transitions to the [[Twelfth Doctor]] as he gets to his feet, shocked to see his past self. The Doctor is delighted at meeting his first incarnation but realises that he is refusing to regenerate; he panics as he doesn't remember refusing to to regenerate the first time or meeting himself. The First Doctor is confused and dismisses his future self as just another Time Lord; he asks if he has come to take back "the ship". The Twelfth Doctor laughs in amusement that his original incarnation still calls the TARDIS "the ship".
The scene transitions to the [[Twelfth Doctor]] as he gets to his feet, shocked to see his past self. The Doctor is delighted at meeting his first incarnation but realises that he is refusing to regenerate; he panics as he doesn't remember refusing to regenerate the first time or meeting himself. The First Doctor is confused and dismisses his future self as just another Time Lord; he asks if he has come to take back "the ship". The Twelfth Doctor laughs in amusement that his original incarnation still calls the TARDIS "the ship".


The First Doctor then asks what the Twelfth has done to the TARDIS, as its bigger than it used to be. The Twelfth Doctor tells him its from "all those years of being bigger on the inside. You try keeping your tummy tucked in that long", defending his beloved vessel. The Twelfth Doctor questions why his younger self is refusing to regenerate, fearing the consequences the decision might cause. However, the snow suddenly freezes in midair, capturing the pair's attention, as [[Archibald Hamish Lethbridge-Stewart|a man]] dressed in [[World War I]] attire approaches them. He seems disorientated and asks the pair if either of them are a doctor. Exchanging a glance with the First Doctor, the Twelfth asks if the man is making some sort of joke.
The First Doctor then asks what the Twelfth has done to the TARDIS, as it's bigger than it used to be. The Twelfth Doctor tells him its from "all those years of being bigger on the inside. You try sucking your tummy in that long", defending his beloved vessel. The Twelfth Doctor questions why his younger self is refusing to regenerate, with the First Doctor [[Lie|lies]] he has courage, and more importantly the right to live and die as he is now. The Twelfth Doctor tells him it's already too late, explaining to the First Doctor that moments ago he was weak but is now suddenly fine, the First as well as the Twelfth Doctor are currently in a "[[state of grace]]" but that it won't last forever as both Doctors need to make a choice: choose to regenerate and continue with their lives, or die as they are now. A dreadful realisation suddenly hits the Twelfth Doctor: if his first incarnation refuses to regenerate and dies now, then all of the things he would do in the future would never happen. However, as the Twelfth Doctor tries explaining this realisation to the First Doctor, as he fears what consequences this decision might cause, the snow around them suddenly freezes in midair, capturing the pair's attention, as [[Archibald Hamish Lethbridge-Stewart|a man]] dressed in [[World War I]] attire approaches them. He seems disorientated and asks the pair if either of them are a doctor. Exchanging a glance with the First Doctor, the Twelfth asks if the man is making some sort of joke.


[[File:Ypres_battlefield.jpg|thumb|left|The worn torn [[battlefield]] in [[Ypres]], [[1914]].]]
[[File:Ypres_battlefield.jpg|thumb|left|The worn torn [[battlefield]] in [[Ypres]], [[1914]].]]
On [[Christmas|Christmas Day]] 1914, the soldier, a captain in the [[British Army|British Expeditionary Force]], lies in a [[shell hole]] on the [[battlefield]] in Ypres. His revolver is aimed at a [[German soldier (Twice Upon a Time)|German soldier]], who also has his sidearm trained on the Captain. Both men realise they will kill each other in self-defence, their respective troops far away in their trenches, unable to assist either of them. Just as the Captain prepares to accept his fate and fire, a wave of energy flows through the field, freezing everything around him. As he exits the hole, a bright light suddenly flashes and encapsulates him. He collapses to the ground in the Arctic and hearing the two Doctors discussing the static snow, he approaches them.
On [[Christmas|Christmas Day]] 1914, the soldier, a captain in the [[British Army|British Expeditionary Force]], lies in a [[shell hole]] on the [[battlefield]] in Ypres. His revolver is aimed at a [[German soldier (Twice Upon a Time)|German soldier]], who also has his sidearm trained on the Captain. Both men realise they will kill each other in self-defence, their respective troops far away in their trenches, unable to assist either of them. Just as the Captain prepares to accept his fate and fire, a wave of energy flows through the field, freezing everything around him. As he exits the hole, a bright light suddenly flashes and encapsulates him. He collapses to the ground in the Antarctic and hearing the two Doctors discussing the static snow, he approaches them.


The scene once more shifts back to the Twelfth Doctor's perspective. A portal of light opens in the distance, and the two Doctors approach it. The First Doctor orders the portal to reveal itself, while the Twelfth Doctor declares that the planet is protected, to the confusion of his first incarnation. However, the light quickly vanishes, surprising the Twelfth Doctor as "that almost never works." The First Doctor returns to the Captain, telling him to enter his TARDIS, and the Twelfth Doctor coaxes him to follow. As they enter, the First Doctor is shocked by the changes to the TARDIS interior, while the Captain is shocked by the room's size. The Twelfth Doctor pulls the monitor over to the First Doctor, telling him his TARDIS is 70 feet away; he then tells him to always remember where he parks as it gets important later.  
The scene once more shifts back to the Twelfth Doctor's perspective. A portal of light opens in the distance, and the two Doctors approach it. The First Doctor orders the portal to reveal itself, while the Twelfth Doctor declares that the planet is protected, to the confusion of his first incarnation. However, the light quickly vanishes, surprising the Twelfth Doctor as "that almost never works." The First Doctor returns to the Captain, telling him to enter his TARDIS, and the Twelfth Doctor coaxes him to follow. As they enter, the First Doctor is shocked by the changes to the TARDIS interior, while the Captain is shocked by the room's size. The Twelfth Doctor pulls the monitor over to the First Doctor, telling him his TARDIS is 70 feet away; he then tells him to always remember where he parks as it gets important later. The Captain is taken aback and astonished by the TARDIS.


The First Doctor demands his identity, to which the Twelfth says not to be an idiot as they always know when they meet each other. However, the First Doctor states he does not know, prompting the Twelfth Doctor to show him his hand glowing with regeneration energy. The First Doctor wonders if the Twelfth is his next incarnation, to which the Twelfth says is not the case; he'll become him eventually. The First Doctor mutters that he thought he would get younger when he regenerated, to which the Twelfth snaps that he ''is'' younger than the First Doctor. The Captain interrupts, stating he does not understand what's happening, while examining a [[VHS]] tape. The Twelfth Doctor says that's understandable for a solider from [[World War I]] being chased through frozen time by an unknown force. Disturbed upon hearing the Great War being called the ''first'' world war, the Captain asks the Doctor what he's talking about; the Doctor simply tells him "spoilers".
The First Doctor demands his identity, to which the Twelfth says not to be an idiot as they always know when they meet each other. However, the First Doctor states he does not know, prompting the Twelfth Doctor to show him his hand glowing with regeneration energy. The First Doctor finally realises and accepts that the Time Lord in front of him is indeed the Doctor, his future self, and asks if the Twelfth is his next incarnation, to which the Twelfth says is not the case; he'll become him eventually, "after a few false starts" the Twelfth says with a grin. The First Doctor is confused however, as he thought he would get younger when he regenerated, to which the Twelfth snaps that he ''is'' younger than the First Doctor. The Captain interrupts, stating he does not understand what's happening, while examining a [[VHS]] tape. The Twelfth Doctor says that's understandable for a soldier from [[World War I]] being chased through frozen time by an unknown force. The Captain is at first confused, the Doctor first believes it's because he was able to correctly assume which World War the Captain fought in by looking at his uniform, until the Captain corrects the Doctor, becoming disturbed upon hearing the Doctor refer to the Great War as the ''first'' world war rather than just the Great War, the Captain asks the Doctor what he meant by that; the Doctor, realising what he said apologises and simply tells him "spoilers".


The First Doctor notices the Captain's unease, telling the soldier to sit down and orders the Twelfth Doctor to fetch some brandy. He does so, and the First Doctor notices that there is less in the glass than he remembered. The Twelfth Doctor tells him that it's been "rock and roll" over the last 1800 years, so he's entitled to have a glass to steady his nerves. The First Doctor examines the control room, noting that the Twelfth no longer has [[Polly Wright|Polly]] around since it's so dusty; the Twelfth Doctor begs him to stop saying things like that as it is insulting to women. The First Doctor then notices the Twelfth's [[electric guitar]] and amp, which the Doctor tries to pass off as something a companion left behind. However, the First Doctor notes that it is the only thing in the control room that's not covered in dust, making it the Twelfth Doctor's possession.
The First Doctor notices the Captain's unease, telling the soldier to sit down and orders the Twelfth Doctor to fetch some brandy. He does so, and the First Doctor notices that there is less in the glass than he remembered. The Twelfth Doctor tells him that it's been "rock and roll" over the last 1500 years, so he's entitled to have a glass to steady his nerves. The First Doctor examines the control room, noting that the Twelfth no longer has [[Polly Wright|Polly]] around since it's so dusty; the Twelfth Doctor begs him to stop saying things like that as it is insulting to women. The First Doctor then notices the Twelfth's [[electric guitar]] and amp, which the Doctor tries to pass off as something a companion left behind. However, the First Doctor notes that it is the only thing in the control room that's not covered in dust, making it the Twelfth Doctor's possession.


Suddenly, the TARDIS shakes violently, prompting the Twelfth Doctor to attempt to take off, only to find that the engines are unresponsive. Looking upwards out of the TARDIS doors, he sees large metal claws pulling the TARDIS upwards. Once the TARDIS has stopped moving, the Twelfth Doctor instructs his predecessor to confront their captors. A humanoid glass figure seated at the top of a staircase speaks to the Doctor, addressing him as "The Doctor of War." The figure requests the return of the Captain in exchange for a friend of the Doctor.  
Suddenly, the TARDIS shakes violently, prompting the Twelfth Doctor to attempt to take off, only to find that the engines are unresponsive. Looking upwards out of the TARDIS doors, he sees large metal claws pulling the TARDIS upwards. Once the TARDIS has stopped moving, the Twelfth Doctor instructs his predecessor to confront their captors. A humanoid glass figure seated at the top of a staircase speaks to the Doctor, addressing him as "The Doctor of War." The figure requests the return of the Captain in exchange for a friend of the Doctor.
Much to the confusion of the First Doctor, [[Bill Potts|Bill]] then exits one of the corridors. The Twelfth Doctor quickly exits the TARDIS to hug her, before slowly pulling away, drawing his sonic screwdriver, and scanning Bill. To her surprise, the Twelfth Doctor demands that she proves herself to be real, as he believes Bill to have sacrificed herself to [[The Doctor Falls (TV story)|defeat the Cybermen]]. Bill insists she is her real self, explaining how [[Heather (The Pilot)|Heather]] had saved her. The Twelfth Doctor asks what happened after Heather saved her and where Heather is now. Bill struggles for an answer.
Much to the confusion of the First Doctor, [[Bill Potts|Bill]] then exits one of the corridors. The Twelfth Doctor quickly exits the TARDIS to hug her, before slowly pulling away, drawing his sonic screwdriver, and scanning Bill. To her surprise, the Twelfth Doctor demands that she proves herself to be real, as he believes Bill to have sacrificed herself to [[The Doctor Falls (TV story)|defeat the Cybermen]]. Bill insists she is her real self, explaining how [[Heather (The Pilot)|Heather]] had saved her. The Twelfth Doctor asks what happened after Heather saved her and where Heather is now. Bill struggles for an answer.


[[File:1st sunglasses shock.jpg|thumb|''"Indoors?"'']]
[[File:1st sunglasses shock.jpg|thumb|''"Indoors?"'']]
The Twelfth Doctor decides to confront his captor directly and runs up the staircase. He is slowly followed by his younger self, who questions the need to move so fast. They find an empty chair with several panels behind it. The First Doctor takes to observing the panels, commenting on their extraterrestrial origin. He turns to his older self, his eyeglass dropping from his eye as he notices the Twelfth Doctor wearing [[sonic sunglasses|sunglasses]] to scan the panels. They turn to the chair, where a woman made completely of glass materialises. While the Twelfth Doctor scans the panels with [[the Doctor's sonic screwdriver|his sonic screwdriver]], the original Doctor looks more closely. He berates the Twelfth Doctor for not noticing the [[asymmetry|asymmetrical]] features of the woman's face, blaming his use of the sunglasses instead of his eyes. The Twelfth Doctor shyly agrees, and his younger self throws the sunglasses to the ground.
The Twelfth Doctor decides to confront his captor directly and runs up the staircase. He is slowly followed by his younger self, who questions the need to move so fast. They find an empty chair with several panels behind it. The First Doctor takes to observing the panels, commenting on their extraterrestrial origin. He turns to his older self, his eyeglass dropping from his eye as he notices the Twelfth Doctor wearing [[sonic sunglasses|sunglasses]] to scan the panels. He is utterly perplexed by the idea that the sunglasses are sonic. They turn to the chair, where a woman made completely of glass materialises. While the Twelfth Doctor scans the panels with [[the Doctor's sonic screwdriver|his sonic screwdriver]], the original Doctor looks more closely. He berates the Twelfth Doctor for not noticing the [[asymmetry|asymmetrical]] features of the woman's face, blaming his use of the sunglasses instead of his eyes. The Twelfth Doctor shyly agrees, and his younger self throws the sunglasses to the ground.


The Testimony proceeds to explain its desire for the Captain back in exchange for Bill, insisting the Doctors return him to them. The Captain, having heard the conversation, exits the TARDIS. He declares they let him be taken, not wanting any harm to come to Bill because of his cowardice. However, the Twelfth Doctor disagrees. Picking up his sonic sunglasses, he races down the stairs, remarking he will find out what the Testimony's purpose is and he will stop it if he doesn't like it. The First Doctor once more berates him for revealing his plan, stating he hasn't a clue who his future self is supposed to be. The Testimony, in an effort to ruffle the First Doctor, reveals the history he is destined to create as a "Doctor of War" by showing how his future incarnations will engage in various battles, which perplexes him.
The Testimony proceeds to explain its desire for the Captain back in exchange for Bill, insisting the Doctors return him to them. The Captain, having heard the conversation, exits the TARDIS. He declares they let him be taken, not wanting any harm to come to Bill because of his cowardice. However, the Twelfth Doctor disagrees. Picking up his sonic sunglasses, he races down the stairs, remarking he will find out what the Testimony's purpose is and he will stop it if he doesn't like it. The First Doctor once more berates him for revealing his plan, stating he hasn't a clue who his future self is supposed to be. The Testimony, in an effort to ruffle the First Doctor, reveals the history he is destined to create as a "[[War Doctor|Doctor of War]]" by showing how his future incarnations will engage in various battles, which perplexes him.


[[File:12th Bill 1st Captain inside Testimony craft.jpg|left|thumb|The Doctors, Bill, and the Captain escape the Testimony]]The Twelfth Doctor presses on with his plan to escape, using the sonic screwdriver to activate the crane which pulled the TARDIS up to take them down, the team jumping onto the chains to escape as well. The Testimony refuses to let them escape, halting the chains and pulling the TARDIS back into the ship. However, as they are a safe distance from the ground, the Twelfth Doctor instructs everyone to jump to the ground.Bill expresses concern about what they will do without the TARDIS but the Doctors reveal they have another, younger version, at their disposal.  
[[File:12th Bill 1st Captain inside Testimony craft.jpg|left|thumb|The Doctors, Bill, and the Captain escape the Testimony]]The Twelfth Doctor presses on with his plan to escape, using the sonic screwdriver to activate the crane which pulled the TARDIS up to take them down, the team jumping onto the chains to escape as well. The Testimony refuses to let them escape, halting the chains and pulling the TARDIS back into the ship. However, as they are a safe distance from the ground, the Twelfth Doctor instructs everyone to jump to the ground. Bill expresses concern about what they will do without the TARDIS but the Doctors reveal they have another, younger version at their disposal.


They head to the First Doctor's TARDIS, swiftly entering. As she does so, Bill comments on how much smaller it is, causing the Twelfth Doctor to briefly observe the windows before insisting his younger self take off into "deep space, anywhere". While in flight, the First Doctor insists Bill clean the TARDIS only for the Twelfth Doctor to distract him by pointing out the astral map. The Twelfth Doctor uses the sonic sunglasses to access the data banks noting what his predecessor said earlier before placing the shades on the First Doctor. Befuddled, the Doctor asks why he must wear them only for his successor to remark on how much he loves it before taking them back.  
They head to the First Doctor's TARDIS, swiftly entering. As she does so, Bill comments on how much smaller it is, causing the Twelfth Doctor to briefly observe the windows before insisting his younger self take off into "deep space, anywhere". While in flight, the First Doctor insists Bill clean the TARDIS only for the Twelfth Doctor to distract him by pointing out the astral map. The Twelfth Doctor uses the sonic sunglasses to access the data banks noting what his predecessor said earlier before placing the shades on the First Doctor. Befuddled, the First Doctor asks why he must wear them, only for his successor to remark on how much he loves them and tells him to never take them off. The First Doctor asks why there is an option on the glasses called Browser History, causing the Twelfth Doctor to grab the sunglasses and throw them across the TARDIS.


[[File:12th_1st_Bill_Captain_in_TARDIS_Glass_on_Scanner.jpg|thumb|The Twelfth Doctor pilots his younger self's TARDIS.]]
[[File:12th_1st_Bill_Captain_in_TARDIS_Glass_on_Scanner.jpg|thumb|The Twelfth Doctor pilots his younger self's TARDIS.]]
The Twelfth Doctor quickly realises the databanks are rather scarce, given the TARDIS is still young. To compensate, he lands the TARDIS at the centre of the universe, [[Villengard]], impressing his younger self at how easily he did such. While searching the area, the Captain is attacked by a creature with multiple little green legs but they save him, both Doctors recognising the creature as a Kaled mutant. The Twelfth Doctor insists Bill wait in the First Doctor's TARDIS to look after the Captain, but Bill blasts him by calling him a "stupid bloody arse", leading to the First Doctor to threaten her with a "jolly good smacked bottom", much to the Twelfth Doctor's embarrassment. Bill tells the Twelfth Doctor to come back alive, to which he replies; "Be here when I do."
The Twelfth Doctor quickly realises the databanks are rather scarce, given the TARDIS is still young. To compensate, he lands the TARDIS at the centre of the universe, [[Villengard]], impressing his younger self at how easily he did such. While searching the area, the Captain is attacked by a creature with multiple little green legs but they save him, both Doctors recognising the creature as a [[Dalek mutant|Kaled mutant]]. The Twelfth Doctor insists Bill wait in the First Doctor's TARDIS to look after the Captain, but Bill blasts him by calling him a "stupid bloody arse", leading to the First Doctor to threaten her with a "jolly good smacked bottom", much to the Twelfth Doctor's embarrassment. Bill tells the Twelfth Doctor to come back alive, to which he replies, "Be here when I do."


The First Doctor fetches the Captain another brandy, realising that was why his successor was missing some. He soon leaves to join his older self, while Bill looks after the Captain, but when she grabs the brandy, her hand is revealed to be glass. While outside on Villengard, the two Doctors rest, discussing their respective regenerations. The Twelfth Doctor remarks they have yet to change because they are in a "state of grace", though he himself finds his body starting to deteriorate. He asks why his younger self halted the regenerative process, unable to remember himself. The First Doctor admits he is "afraid" of regenerating. Before the Twelfth Doctor can answer the question himself, they suddenly come under attack from a creature in a nearby tower, and only stops when the Twelfth Doctor asks the creature to scan him, announcing; "I'm dying!", before going into the tower. He tells his younger self to wait outside to which he begrudgingly agrees.
The First Doctor fetches the Captain another brandy, realising that was why his successor was missing some. He soon leaves to join his older self, while Bill looks after the Captain, but when she grabs the brandy, her hand is revealed to be glass. While outside on Villengard, the two Doctors rest, discussing their respective regenerations. The Twelfth Doctor remarks they have yet to change because they are in a "state of grace", though he himself finds his body starting to deteriorate. He asks why his younger self halted the regenerative process, unable to remember himself. The First Doctor admits he is "afraid" of regenerating and doesn't like to admit that to anyone. The Twelfth Doctor remarks that technically he still hasn't. Before the Twelfth Doctor can answer the question himself, they suddenly come under attack from a creature in a nearby tower, and only stops when the Twelfth Doctor asks the creature to scan him, announcing; "I'm dying!", before going into the tower. He tells his younger self to wait outside to which he begrudgingly agrees.


The First Doctor observes the area, finding the remains of a Dalek casing. He inspects it as Bill sneaks up on him and begins asking why he ran away. The Doctor insists she return to the Captain but Bill insists, asking what he was running to. Interested by the question, the First Doctor responds that he left to discover why good always defeats evil. Bill suggests it might be because of "some bloke" though the First Doctor doubts such. Bill hugs him, thanking him for his efforts. However, when she pulls away, the First Doctor realises she is a glass avatar.
The First Doctor observes the area, finding the remains of a [[Dalek]] [[casing]]. He inspects it as Bill sneaks up on him and begins asking why he ran away. The Doctor insists she return to the Captain but Bill insists, asking what he was running to. Interested by the question, the First Doctor responds that he left to discover why good always defeats evil. Bill suggests it might be because of "some bloke" though the First Doctor doubts such. Bill hugs him, thanking him for his efforts. However, when she pulls away, the First Doctor realises she is a glass avatar.


Alone, the Twelfth Doctor meets with the rogue Dalek Rusty, who has taken refuge from the other Daleks hunting it. He remarks on how he is a "good Dalek" though Rusty continues to fire at the Doctor. The Twelfth Doctor decides to come to a truce to which Rusty agrees by disarming his [[gunstick]]. Given access to the Dalek Hivemind, the Doctor learns that the pilot and its ship, known as ''Testimony'', were created on New Earth, designed to extract people from their timelines at the moment of their death, and archive their memories into glass avatars. "Bill" is one such avatar, created from her memories. Time suddenly freezes again, the First Doctor and Bill entering the room. Although disappointed at seeing no evil to fight, the Doctors agree to return the Captain to his timeline.  
Alone, the Twelfth Doctor meets with the rogue Dalek [[Rusty (Into the Dalek)|Rusty]], who has taken refuge from the other Daleks hunting it. He remarks on how he is a "good Dalek" though Rusty continues to fire at the Doctor. The Twelfth Doctor decides to come to a truce to which Rusty agrees by disarming his [[gunstick]]. Given access to the Dalek Hivemind, the Doctor learns that the pilot and its ship, known as ''Testimony'', were created on New Earth, designed to extract people from their timelines at the moment of their death, and archive their memories into glass avatars. "Bill" is one such avatar, created from her memories. Time suddenly freezes again, the First Doctor and Bill entering the room. Although disappointed at seeing no evil to fight, the Doctors agree to return the Captain to his timeline.


Upon doing so, the Captain asks the Doctors to keep an eye on his family, introducing himself as Archibald Hamish Lethbridge-Stewart, an ancestor of the Doctor's close friend the Brigadier. The First Doctor assures he will do so, the Twelfth Doctor confirming they did. The Testimony remarks the Captain will not remember the incident and a perception filter will ensure the Doctors are not noticed once time restarts. As time resumes, the Doctors watch as soldiers on both sides begin singing "Silent Night" in their respective languages. Soon, each side disarms their weapons and enters the battlefield, leading the Captain and the German soldier to withdraw their weapons and make peace. The Twelfth Doctor explains to the First that he deliberately shifted the Captain's timeline to the start of the [[Christmas truce]], to ensure his life would be spared. The First Doctor is amazed at the fact that his successor altered time to save both men, leading the Twelfth Doctor to explain how "generally the universe isn't a fairy tale, but that's where we come in" and that "it never hurts, a couple fewer dead men on a battlefield." This causes the First Doctor to finally understand what being the "Doctor of War" really means.
Upon doing so, the Captain asks the Doctors to keep an eye on his family, introducing himself as [[Archibald Hamish Lethbridge-Stewart]], an ancestor of the Doctor's close friend the [[Alistair Gordon Lethbridge-Stewart|Brigadier]]. The First Doctor assures he will do so, the Twelfth Doctor confirming they did. The Testimony remarks the Captain will not remember the incident and a perception filter will ensure the Doctors are not noticed once time restarts. As time resumes, the Doctors watch as soldiers on both sides begin singing "Silent Night" in their respective languages. Soon, each side disarms their weapons and enters the battlefield, leading the Captain and the German soldier to withdraw their weapons and make peace. The Twelfth Doctor explains to the First that he deliberately shifted the Captain's timeline to the start of the [[Christmas truce]], to ensure his life would be spared. The First Doctor is amazed at the fact that his successor altered time to save both men, leading the Twelfth Doctor to describe the truce as a miracle; the only truce of its kind in history. How everyone at war stopped fighting and was kind to each other. He also explains how "generally the universe isn't a fairy tale, but that's where we come in" and that "it never hurts, a couple fewer dead men on a battlefield." This causes the First Doctor to finally understand what being the "Doctor of War" really means.


With the Captain saved, the two Doctors observe the truce for a time and eventually shake hands. As they do, both Doctors' hands start glowing with [[regeneration energy]]. The First Doctor declares that he is finally ready, but the Twelfth Doctor states that his predecessor will have to find out what the Twelfth Doctor decides to do "the long way round." The First Doctor returns to his TARDIS and sets the controls to return him to the South Pole in 1986. Overcome by his regeneration, the First Doctor declares "here we go, the long way round" and collapses as his TARDIS returns to the South Pole. Shortly afterwards, the First Doctor regenerates into [[Second Doctor|a much younger second incarnation]].
With the Captain saved, the two Doctors observe the truce for a time and eventually shake hands. As they do, both Doctors' hands start glowing with [[regeneration energy]]. The First Doctor declares that he is finally ready, but the Twelfth Doctor states that his predecessor will have to find out what the Twelfth Doctor decides to do "the long way round." The two Doctors bid each other a fond farewell. The First Doctor returns to his TARDIS and sets the controls to return him to the South Pole in 1986. Overcome by his regeneration, the First Doctor declares "here we go, the long way round" and collapses as his TARDIS returns to the South Pole. Shortly afterwards, Ben and Polly find and manage to enter the TARDIS and witness the First Doctor as he is for the last time as he regenerates into his [[Second Doctor|second incarnation]] right before their eyes.


As the soldiers play football, draw and spend the day together, the Twelfth Doctor watches on, saluting the Captain - who briefly bypasses the perception filter, but dismisses him and returns to his trench. Now alone with Bill's avatar, the Doctor adamantly contends she is not the genuine Bill, only for her avatar to explain that memories are what define a person. To help him understand, the avatar restores the Doctor's memories of [[Clara Oswald]] then turns into her. Clara greets the "stupid old man", telling him that forgetting her was rude. The Doctor laughs with joy that she's back in his head. Clara reverts back to Bill, who asks the Doctor if he now understands the importance of memory. They are joined by Nardole's avatar who joins Bill in asking the Doctor not to allow himself to die. The Doctor refuses to give the avatars testimony of his life, stating he must be left alone to face his end. They respect his wish and leave after he embraces them both.  
As the soldiers play football, draw and spend the day together, the Twelfth Doctor watches on, saluting the Captain - who briefly bypasses the perception filter, but dismisses him and returns to his trench. Now alone with Bill's avatar, the Doctor adamantly contends she is not the genuine Bill, only for her avatar to explain that memories are what define a person. To help him understand, the avatar restores the Doctor's memories of [[Clara Oswald]] then turns into her. Clara greets the "stupid old man", telling him that it was quite rude of him to forget her in the first place. The Doctor laughs with joy that she's back in his head. Clara reverts back to Bill, who asks the Doctor if he now understands the importance of memory. They are joined by Nardole's avatar who joins Bill in asking the Doctor not to allow himself to die. The Doctor refuses to give the avatars testimony of his life, stating he must be left alone to face his end. They respect his wish and leave after he embraces them both.


The Doctor returns to the TARDIS. He laments how the more he saves the universe, the more it seems to be in need of saving. He briefly argues with the TARDIS, conceding that "they would get it all wrong without me" as he decides to regenerate, saying "One more lifetime won't kill anyone. Well, except me", but not before relaying advice to his next incarnation. He collapses as he does so but manages to return to his feet. Finally ready, the Twelfth Doctor utters his last words "Doctor... I let you go". With that, he takes a last quick gasp for air before he regenerates, the process so violent that the energy ignites the console room as his face and piercing blue eyes start changing, morphing into a younger-looking and rounder one with hazel eyes.
The Doctor returns to the TARDIS. He laments how the more he saves the universe, the more it seems to be in need of saving. He briefly argues with the TARDIS, conceding that "they would get it all wrong without me" as he decides to regenerate, saying "One more lifetime won't kill anyone. Well, except me", but not before relaying advice to his next incarnation. He collapses as he does so but manages to return to his feet. Finally ready, the Twelfth Doctor utters his last words "Doctor... I let you go". With that, he takes a last quick gasp for air before he regenerates, the process so violent that the energy ignites the console room as his gaunt face and piercing blue eyes start changing, morphing into a younger-looking and rounder one with hazel eyes.


[[File:12_regenerates.jpg|thumb|left|The Doctor regenerates.]]
[[File:12_regenerates.jpg|thumb|left|The Doctor regenerates.]]
Smoke fills the console room and the Twelfth Doctor's [[The Doctor's wedding ring|wedding ring]] falls from a finger it no longer fits. Once the smoke clears, the [[Thirteenth Doctor]] stands in silence for a moment, before grabbing one of the console's monitors. Using its reflective surface, she studies her new appearance in stunned wonderment, realising that she has now become female for the first time. Her face cracks into a wide, ecstatic grin as she as exclaims "Oh, brilliant!" at the discovery. Excited, she presses a button on the console. Upon doing so, the TARDIS suddenly suffers multiple failures and, hanging thousands of feet above the Earth, sharply jerks causing the doors to face the ground. The Doctor tries to hang on but the doors open threatening to suck her out. As the Doctor grabs the console, the ship continues to shake, sending all of her books and papers flying out the open doors. The Doctor tries to close the doors, but the time rotor shatters and the panel she's holding onto breaks away, sending her falling out of the ship. In freefall towards the Earth below, the Doctor watches the inside of her TARDIS become swamped by flames before vanishing from sight as she plummets through the clouds...
Smoke fills the console room and the Twelfth Doctor's [[The Doctor's wedding ring|wedding ring]] falls from a finger it no longer fits. Once the smoke clears, the [[Thirteenth Doctor]] stands in silence for a moment, before grabbing one of the console's monitors. Using its reflective surface, she studies her new appearance in stunned wonderment, realising that she has now become female for the first time. Her face cracks into a wide, ecstatic grin as she exclaims "Oh, brilliant!" at the discovery. Excited, she presses a button on the console. Upon doing so, the TARDIS suddenly suffers multiple failures and, hanging thousands of feet above the Earth, sharply jerks causing the doors to face the ground. The Doctor tries to hang on but the doors open, threatening to suck her out. As the Doctor grabs the console, the ship continues to shake, sending all of her books and papers flying out the open doors. The Doctor tries to close the doors, but the time rotor shatters and the panel she's holding onto breaks away, sending her falling out of the ship. In freefall towards the Earth below, the Doctor watches the inside of her TARDIS become swamped by flames before vanishing from sight as she plummets through the clouds...
 
[[File:To Be Continued (Twice Upon a Time).jpg|thumb|right|TO BE CONTINUED]]


== Cast ==
== Cast ==
Line 107: Line 107:
* [[Glass avatar|Bill]] - [[Pearl Mackie]]
* [[Glass avatar|Bill]] - [[Pearl Mackie]]
* [[Archibald Hamish Lethbridge-Stewart|The Captain]] - [[Mark Gatiss]]
* [[Archibald Hamish Lethbridge-Stewart|The Captain]] - [[Mark Gatiss]]
* [[Glass avatar|Clara ]]- [[Jenna Coleman]]
* [[Glass avatar|Clara]] - [[Jenna Coleman]]
* [[Glass avatar|Nardole]] - [[Matt Lucas]]
* [[Glass avatar|Nardole]] - [[Matt Lucas]]
* [[Helen Clay]] - [[Nikki Amuka-Bird]]
* [[Helen Clay]] - [[Nikki Amuka-Bird]]
Line 113: Line 113:
* [[Polly Wright|Polly]] - [[Lily Travers]]
* [[Polly Wright|Polly]] - [[Lily Travers]]
* [[Ben Jackson|Ben]] - [[Jared Garfield]]
* [[Ben Jackson|Ben]] - [[Jared Garfield]]
* [[Rusty|Voice of the Daleks]] - [[Nicholas Briggs]]
* [[Rusty (Into the Dalek)|Voice of the Daleks]] - [[Nicholas Briggs]]
 
And Introducing [[Jodie Whittaker]] as [[Thirteenth Doctor|The Doctor]]


===== ''[[The Tenth Planet (TV story)|The Tenth Planet]]'' =====
===== ''[[The Tenth Planet (TV story)|The Tenth Planet]]'' =====
Line 120: Line 122:
* [[Ben Jackson|Ben]] - [[Michael Craze]]
* [[Ben Jackson|Ben]] - [[Michael Craze]]


: And introducing [[Jodie Whittaker]] as [[Thirteenth Doctor|the Doctor]]
====== Uncredited ======
* [[Second Doctor|The Doctor]] - [[Patrick Troughton]] (uncredited)


== Crew ==
== Crew ==
Line 499: Line 502:
* [[Visual effects producer|VFX Producer]] - [[Louise Hastings]]<ref name="Milk VFX" />
* [[Visual effects producer|VFX Producer]] - [[Louise Hastings]]<ref name="Milk VFX" />


== References ==
== Worldbuilding ==
=== Culture ===
=== Culture ===
* [[Great Britain|British]] [[British Army|soldiers]] are fighting [[Germany|German]] [[German Army|soldiers]].
* [[Great Britain|British]] [[British Army|soldiers]] are fighting [[Germany|German]] [[German Army|soldiers]].


=== Technology ===
=== Technology ===
* The soldiers in [[World War I]] uses [[gun]]s and [[rifle]]s.
* The soldiers in [[World War I]] uses [[gun]]s and [[rifle]]s.
* The Captain finds a [[VHS cassette]] inside the Twelfth Doctor's TARDIS.
* The Captain finds a [[VHS cassette]] inside the Twelfth Doctor's TARDIS.
* The First Doctor finds the Twelfth Doctor's [[electric guitar]].
* The First Doctor finds the Twelfth Doctor's [[electric guitar]].
* The [[Testimony Foundation]] owns a [[Testimony spaceship|spaceship]] which they used to capture the Twelfth Doctor's TARDIS.
* The [[Testimony Foundation]] owns a [[Testimony spaceship|spaceship]] which they used to capture the Twelfth Doctor's TARDIS.
* The Twelfth Doctor says that [[Bill Potts]] was turned into a [[Cyberman]].
* The Twelfth Doctor says that [[Bill Potts]] was turned into a [[CyberMondan|Cyberman]].
* The First Doctor is confused about [[the Doctor's sonic screwdriver|the sonic screwdriver]].
* The First Doctor is confused about [[the Doctor's sonic screwdriver|the sonic screwdriver]].
* The First Doctor doesn't approve of the [[sonic sunglasses]].
* The First Doctor doesn't approve of the [[sonic sunglasses]].
* The First Doctor doesn't know what [[browser history]] is.
* The First Doctor doesn't know what [[browser history]] is.
* The Twelfth Doctor attempts to connect the [[Helen Clay|glass woman]] via the sonic sunglasses and [[TARDIS scanner]] to the [[TARDIS information system|TARDIS databanks]]. He, however, finds that due to it being the First Doctor's TARDIS, there's hardly anything there, and needs a bigger one, and suggests the [[The Matrix|Matrix]] on [[Gallifrey]].
* The Twelfth Doctor attempts to connect the [[Helen Clay|glass woman]] via the sonic sunglasses and [[TARDIS scanner]] to the [[TARDIS information system|TARDIS databanks]]. He, however, finds that due to it being the First Doctor's TARDIS, there's hardly anything there, and needs a bigger one, and suggests the [[The Matrix|Matrix]] on [[Gallifrey]].
* [[Rusty]] scans the Twelfth Doctor.
* The First Doctor picks up a [[Dalek eyestalk]].
* The First Doctor picks up a [[Dalek eyestalk]].
* Rusty "gets naked" for the Twelfth Doctor by ejecting his [[gunstick]].
* Rusty "gets naked" for the Twelfth Doctor by ejecting his [[gunstick]].
* The Twelfth Doctor mentions the [[Dalek]] [[hive mind]].
* The Twelfth Doctor mentions the [[Dalek]] [[hive mind]].
* The glass woman says that a [[perception filter]] will render her and the Doctors invisible.
* The glass woman says that a [[perception filter]] will render her and the Doctors invisible to the soldiers on the battlefield.


=== Biology ===
=== Biology ===
* [[Rusty]] scans the Twelfth Doctor, noticing his life signs are failing.
* When the First and Twelfth Doctors shake hands, [[regeneration energy]] glows intensely from them.
* When the First and Twelfth Doctors shake hands, [[regeneration energy]] glows intensely from them.


Line 537: Line 538:
=== People ===
=== People ===
* [[Archibald Hamish Lethbridge-Stewart|Captain Lethbridge-Stewart]] and a [[German soldier (Twice Upon a Time)|German soldier]] both have no desire to kill the other, wishing the other spoke [[English language|English]] and [[German language|German]], respectively.
* [[Archibald Hamish Lethbridge-Stewart|Captain Lethbridge-Stewart]] and a [[German soldier (Twice Upon a Time)|German soldier]] both have no desire to kill the other, wishing the other spoke [[English language|English]] and [[German language|German]], respectively.
* Everyone except the Doctors, the Captain and the glass avatars freeze on the spot when time freezes.
* The First Doctor remarks that it's a shame [[Polly Wright]] isn't around, saying that the Twelfth Doctor's TARDIS is in dire need of [[dusting]].
* The First Doctor remarks that it's a shame [[Polly Wright]] isn't around, saying that the Twelfth Doctor's TARDIS is in dire need of [[dusting]].
* [[Bill Potts]] returns to the Doctor's side.
* Bill tells the Doctor about [[Heather (The Pilot)|Heather]], the [[sentient oil]] girl, coming back for her, to which the Twelfth Doctor notes "how [[romance|romantic]]".
* Bill tells the Doctor about [[Heather (The Pilot)|Heather]], the [[sentient oil]] girl, coming back for her, to which the Twelfth Doctor notes "how [[romance|romantic]]".
* Bill asks the First Doctor about his reason for running away from Gallifrey.
* Bill asks the First Doctor about his reason for running away from Gallifrey.
* The Doctor finds [[Rusty]] inside a tower in [[Villengard]]. He [[Into the Dalek (TV story)|crawled around inside]] Rusty billions of years ago.
* The Doctor finds Rusty inside a tower in [[Villengard]].
* Rusty projects a video of a [[Professor]] [[Helen Clay]].
* Rusty projects a video of a [[Professor]] [[Helen Clay]].
* [[Clara Oswald]] appears to the Twelfth Doctor and his [[memories]] of her return.
* [[Clara Oswald]] appears to the Twelfth Doctor and his [[memories]] of her return.
Line 549: Line 548:


=== Species ===
=== Species ===
* The First Doctor asks the Twelfth Doctor if he is a [[Time Lord]].
* The First Doctor asks the Twelfth Doctor, not realising he's talking to his future self, if he is another [[Time Lord]].
* The Twelfth Doctor says the First Doctor was "weak as a [[Cat|kitten]]".
* The Twelfth Doctor says the First Doctor was "weak as a [[kitten]]" when he started regenerating.
* A [[bird]] freezes mid-air.
* A [[bird]] freezes mid-air.
* [[Glass avatar]]s, part of the [[Testimony]], are creatures with the ability to freeze time and extract memories and personality of a dying person so they will remain forever.
* [[Glass avatar]]s, part of the [[Testimony]], are creatures with the ability to freeze time and extract memories and personality of a dying person so they will remain forever.
* The TARDIS team encounters [[Kaled mutant]]s which have mutated even further. The Captain first thinks they are [[rat]]s, saying he is used to those.
* The TARDIS team encounters [[Dalek mutant]]s which have mutated even further. The Captain first thinks they are [[rat]]s, saying he is used to those.


=== Locations ===
=== Locations ===
Line 562: Line 561:
* The Doctors and the Captain are taken to the [[Chamber of the Dead]] inside a [[Testimony spaceship]].
* The Doctors and the Captain are taken to the [[Chamber of the Dead]] inside a [[Testimony spaceship]].
* [[Gallifrey]] is mentioned.
* [[Gallifrey]] is mentioned.
* The TARDIS team travels to the [[centre of the universe|centre]] of the [[Universe|universe]].
* The TARDIS team travels to the [[centre of the universe|centre]] of the [[universe]].
* The TARDIS team visits [[Villengard]]. [[Villengard's moon|The moon]] is in the process of destruction.
* The TARDIS team visits [[Villengard]]. [[Villengard's moon|The moon]] is in the process of destruction.
* The Twelfth Doctor calls Villengard's [[Weapon Forge]]s "The Nightmare of the [[Seven Galaxies]]".
* The Twelfth Doctor calls Villengard's [[Weapon Forge]]s "The Nightmare of the [[Seven Galaxies]]".
* The Captain says that his death would be a big shock for everyone back in [[Cromer]].
* The Captain says that his death would be a big shock for everyone back in [[Cromer]].
* [[Rusty]] projects a video of [[Professor]] [[Helen Clay]] from the [[University of New Earth]] on [[New Earth (New Earth)|New Earth]] in the year [[5000000012|5,000,000,012]].
* Rusty projects a video of [[Professor]] [[Helen Clay]] from the [[University of New Earth]] on [[New Earth (New Earth)|New Earth]] in the year [[5000000012|5,000,000,012]].


=== Events ===
=== Events ===
Line 573: Line 572:
* The glass avatars freeze time during [[World War I]] in [[Ypres]] [[1914]] just before the [[Christmas truce]].
* The glass avatars freeze time during [[World War I]] in [[Ypres]] [[1914]] just before the [[Christmas truce]].
* When the glass avatars misplace the Captain they call it a [[timeline error]].
* When the glass avatars misplace the Captain they call it a [[timeline error]].
* A [[Christmas truce]], the only one of its kind, is held on the [[World War I]] [[battlefield]] of [[Ypres]] on [[25 December]], [[1914]].
* The [[Christmas truce]] is held on the [[World War I]] [[battlefield]] of [[Ypres]] on [[25 December]], [[1914]].
* The Captain says he told [[Archibald Hamish Lethbridge-Stewart's wife|his wife]] he'd be home for [[Christmas]].
* The Captain says he told [[Archibald Hamish Lethbridge-Stewart's wife|his wife]] he'd be home for [[Christmas]].


=== The Doctor ===
=== The Doctor ===
* Due to the [[timeline]]s being out-of-sync, the [[First Doctor]] forgets trying not to regenerate and so the [[Twelfth Doctor]] does not remember it.
* Due to the [[timeline]]s being out-of-sync, the [[Second Doctor]] will forget about trying not to regenerate and so the [[Twelfth Doctor]] does not remember it.
* The First Doctor's face is, according to the Twelfth Doctor, "all over the place" as a result of him trying to hold off his regeneration. This also results in him regaining the strength he had lost during his fight with the [[Cyberman (Mondas)|Cybermen]] on [[Snowcap]].
* The First Doctor's face is, according to the Twelfth Doctor, "all over the place" as a result of him trying to hold off his regeneration. This also results in him regaining the strength he had lost during his fight with the [[CyberMondan|Cybermen]] on [[Snowcap]].
* The First Doctor doesn't know who his future self is, and keeps denying it even after the Twelfth Doctor reveals himself to him. Only after the [[Testimony]] shows him snippets of his future does he finally give in and accept it.
* The First Doctor doesn't know who his future self is, and keeps denying it even after the Twelfth Doctor reveals himself to him. Only after the [[Testimony]] shows him snippets of his future does he finally give in and accept it.
* The First Doctor first thinks the Twelfth Doctor is another [[Time Lord]] trying to capture him for running away with a TARDIS.
* The First Doctor first thinks the Twelfth Doctor is another [[Time Lord]] trying to capture him for running away with a TARDIS.
* The First Doctor later attempts to make the Captain understand better, saying that the Twelfth Doctor is his [[nurse]], however improbable due to him being a man.
* The First Doctor later attempts to make the Captain understand better, saying that the Twelfth Doctor is his [[nurse]], however improbable due to him being a man.
* The First Doctor tells the Twelfth Doctor that he assumed he would get a younger appearance after regenerating.
* The Twelfth Doctor calls the First Doctor [[Mister Pastry]], [[Mary Berry (in-universe)|Mary Berry]], and [[Corporal Jones]].
* The Twelfth Doctor tells the First Doctor that between those two there are "a few false starts".
* The Twelfth Doctor calls the First Doctor [[Mister Pastry]].
* The Doctor is called "The Destroyer of Worlds", "The [[Imp]] of the [[Pandorica]]", "The Oncoming Storm", "The Shadow of [[the Valeyard]]", "The Beast of [[Trenzalore]]", "The Butcher of [[Skull Moon]]", "The Last Tree of [[Garsennon]]", "The Destroyer of [[Skaro]]" and "the [[War Doctor|Doctor of War]]".
* The Doctor is called "The Destroyer of Worlds", "The [[Imp]] of the [[Pandorica]]", "The Oncoming Storm", "The Shadow of [[the Valeyard]]", "The Beast of [[Trenzalore]]", "The Butcher of [[Skull Moon]]", "The Last Tree of [[Garsennon]]", "The Destroyer of [[Skaro]]" and "the [[War Doctor|Doctor of War]]".
* The Twelfth Doctor calls the First Doctor [[Mary Berry]].
* The Twelfth Doctor attempts to distract the First Doctor with the blinking lights on his [[astral map]] after his unfavourable remark to Bill about the Twelfth Doctor needing her for cleaning his TARDIS.
* The Twelfth Doctor attempts to distract the First Doctor with the blinking lights on his [[astral map]] after his unfavourable remark to Bill about the Twelfth Doctor needing her for cleaning his TARDIS.
* The Twelfth Doctor is embarrassed at seeing how sexist he used to be as the First Doctor.
* The double-breasted [[blazer]] of [[Plum (colour)|plum]] [[purple]] [[velvet]] that the [[Third Doctor]] wore on his trip to [[Spiridon]] is hanging in the Twelfth Doctor's TARDIS.
* The First Doctor admits to being afraid of regeneration.
* The Twelfth Doctor's [[ring]] falls off the [[Thirteenth Doctor]]'s hand, as it doesn't fit on her finger.
* The Twelfth Doctor calls himself [[Corporal Jones]].
* The First Doctor says he travels around to get a question answered about why there is good and evil in the universe and how the balance is held between the two. He explains that this is only what he ran to, not [[The Hybrid|what he ran from]].
* The Twelfth Doctor admits to only pretending to like Bill's [[rug]].
* The First Doctor regenerates into the [[Second Doctor]].
* The jacket that he wore on his trip to [[Spiridon]] as the [[Third Doctor]] is hanging in the Twelfth Doctor's TARDIS.
* The Twelfth Doctor regenerates into the [[Thirteenth Doctor]].
* The Twelfth Doctor's [[ring]] falls off of the Thirteenth Doctor's hand, as it doesn't fit on her finger.


=== TARDIS ===
=== TARDIS ===
* The First Doctor calls [[the TARDIS]] "the Ship".
* The First Doctor calls [[The Doctor's TARDIS|the TARDIS]] "the Ship", much to the Twelfth Doctor's nostalgic joy.
* The First Doctor remarks on the exterior changes between his and the Twelfth Doctor's TARDISes; notably, the windows being the wrong size, the blue colouring having changed and its size having expanded.
* The First Doctor disapproves of the Twelfth Doctor's TARDIS, saying about the [[TARDIS control room|console room]] that it is "the flight deck of the most powerful space-time machine in the known universe, [it's] not a [[restaurant]] for the [[France|French]]".
* The Twelfth Doctor says its size is from having been "bigger on the inside" for many years, implying it is suffering from a [[size leak]].
* The First Doctor disapproves of the Twelfth Doctor's TARDIS, saying about the [[TARDIS control room|console room]] that it is "the flight deck of the most powerful space-time machine in the known universe, not a [[restaurant]] for the [[France|French]]".
* The Twelfth Doctor still has [[blackboard]]s in his TARDIS.
* The Twelfth Doctor still has [[blackboard]]s in his TARDIS.
* Bill remarks the [[window]]s on the First Doctor's TARDIS exterior are the wrong size. The First Doctor makes the same remark about the exterior of the Twelfth Doctor's TARDIS.
* Bill remarks the [[window]]s on the First Doctor's TARDIS exterior are the wrong size.
* The First Doctor's TARDIS has a name tag on the console that says [[Bernard Wilkie]].
* The First Doctor's TARDIS has a name tag on the console that says [[Bernard Wilkie]].
* The [[Cloister Bell]] rings in the Twelfth Doctor's TARDIS, before he regenerates.
* The [[Cloister Bell]] rings in the Twelfth Doctor's TARDIS before he regenerates.
* The Twelfth Doctor's TARDIS interior ends up exploding due to "Multiple Operations Failures" after the [[Thirteenth Doctor]] causes a "Systems Crisis" by clicking a red button on the console. The exploding TARDIS throws out the Doctor as it dematerialises.
* The Twelfth Doctor's TARDIS interior ends up exploding due to "Multiple Operations Failures" after the [[Thirteenth Doctor]] causes a "Systems Crisis" by clicking a red button on the console. The exploding TARDIS throws the Doctor out as it dematerialises.


=== Music ===
=== Music ===
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== Story notes ==
== Story notes ==
* Though brief, this was the debut performance for [[Jodie Whittaker]] as the [[Thirteenth Doctor]]. Her scene was written by the incoming showrunner [[Chris Chibnall]].<ref name="DWM" /> Her first line in the role was: "Oh, brilliant."
* Though brief, this was the debut performance for [[Jodie Whittaker]] as the [[Thirteenth Doctor]]. Her scene was written by the incoming showrunner [[Chris Chibnall]].<ref name="DWM" />
* The cinematic, DVD and Blu-ray releases featured two documentaries: ''[[The End of an Era]]'', a retrospective and behind-the-scenes look, before the showing, and ''[[Twice Upon a Time (documentary)|Twice Upon a Time]]'' at the end, an in-depth look into the making of this Christmas special.
* The cinematic, DVD and Blu-ray releases featured two documentaries: ''[[The End of an Era]]'', a retrospective and behind-the-scenes look, before the showing, and ''[[Twice Upon a Time (documentary)|Twice Upon a Time]]'' at the end, an in-depth look into the making of the Christmas special.
* ''Twice Upon a Time'' features a "Previously on Doctor Who..." sequence saying "709 Episodes ago" and showing footage from [[TV]]: ''[[The Tenth Planet (TV story)|The Tenth Planet]]'' with [[William Hartnell]], [[Anneke Wills]] and [[Michael Craze]] as the [[First Doctor]], [[Polly Wright]] and [[Ben Jackson]] respectively. This scene makes use of two [[aspect ratio]]s. The footage reframes from 4:3 black and white to 16:9 colour, slowly morphing Hartnell into [[David Bradley]], and [[Lily Travers]] and [[Jared Garfield]] then appear as Polly and Ben, reenacting missing segments on [[Snowcap]] from said episode. Following the First Doctor's return to his TARDIS, the episode briefly goes back to 4:3 black and white after Bradley's Doctor is seen lying on the floor unconscious, cutting to the original regeneration from Hartnell into Troughton, and visually bookending the First Doctor's involvement in the narrative.
* ''Twice Upon a Time'' features a "Previously on Doctor Who..." sequence saying "709 Episodes ago" and showing footage from ''[[The Tenth Planet (TV story)|The Tenth Planet]]'' with [[William Hartnell]], [[Anneke Wills]] and [[Michael Craze]] as the [[First Doctor]], [[Polly Wright]] and [[Ben Jackson]] respectively. This scene makes use of two [[aspect ratio]]s. The footage reframes from 4:3 black-and-white to 16:9 colour, slowly morphing Hartnell into [[David Bradley]], and [[Lily Travers]] and [[Jared Garfield]] then appear as Polly and Ben, re-enacting missing segments on [[Snowcap]] from said episode. Following the First Doctor's return to his TARDIS, the episode briefly goes back to 4:3 black-and-white after Bradley's Doctor is seen lying on the floor unconscious, cutting to the original regeneration from Hartnell into Troughton, and visually bookending the First Doctor's involvement in the narrative.
** ''The Tenth Planet'' Episode 4 is the 133rd episode. ''Twice Upon a Time'' taking place 709 episodes later would make it the 842nd episode. However, the actual number of ''Doctor Who'' episodes has never been clear due to the lack of a distinction between traditional, regular-length adventures and [[Mini-episode|mini-episodes]] and [[prequel|prequels]]. ''[[The Time of the Doctor (TV story)|The Time of the Doctor]]'' was promoted as what would be the 800th episode if only the traditional definition is used. Under this rule, ''Twice Upon a Time'' would actually be only 707 episodes later. The Twelfth Doctor only appeared in two mini-episodes or prequels - ''[[Prologue (webcast)|Prologue]]'' and ''[[The Doctor's Meditation (TV story)|The Doctor's Meditation]]''. Were they to be counted, ''Twice Upon a Time'' would indeed be 709 episodes later. However, this would still require the traditional definition of "episode" to apply to TV stories before ''The Time of the Doctor''.
* This story features a rare instance in which actors that only appeared through use of archive footage were also credited. Another notable instance of this happening is ''[[The Day of the Doctor (TV story)|The Day of the Doctor]]''. William Hartnell's credit has been changed from "Dr. Who" to "The Doctor."
* This story features a rare instance in which actors that only appeared through use of archive footage were also credited. Another notable instance of this happening is [[TV]]: ''[[The Day of the Doctor (TV story)|The Day of the Doctor]]''. Unique to this instance, the title of the story from which the archive footage is taken is also included in the credits.
* [[Rachel Talalay]] had actually shot a number of scenes from ''The Tenth Planet'', with a complete set reconstruction, recast characters, and the series 10 Mondasian Cybermen. She said in an interview that she tried to make both the set, and the cinematography, as accurate to the original scenes, and original production values, as much as possible. She did admit to having fun with some parts of the set in particular, and embellishing with a "60s feel", and noted that some details of the action had to be invented. These scene recreations were not used in the final edit of ''Twice Upon a Time''; the original footage was used in its place. However, these specially shot re-tellings were shown in the cinema feature ''[[Twice Upon a Time (documentary)|Twice Upon a Time]]''.<ref name="TUAT">[[DOC]]: ''[[Twice Upon a Time (documentary)|Twice Upon a Time]]''</ref>
** William Hartnell's credit has been changed from "Dr. Who" to "The Doctor."
* The First and Twelfth Doctors meeting also features the scene acted out differently in [[TV]]: ''[[The Doctor Falls (TV story)|The Doctor Falls]]'' and ''Twice Upon a Time'', similar to how episodes in the 60s reshooting the prior scene's [[cliffhanger]], often resulting in little differences. The same situation also occurred when [[TV]]: ''[[The Runaway Bride (TV story)|The Runaway Bride]]'' followed the ''[[Doomsday (TV story)|Doomsday]]'' [[cliffhanger]] [[2006 (releases)|11 years prior]].
* [[Rachel Talalay]] had actually shot a number of scenes from ''The Tenth Planet'', with a complete set reconstruction, recast characters, and the series 10 Mondasian Cybermen. She said in an interview that she tried to make both the set, and the cinematography, as accurate to the original scenes, and original production values, as much as possible. She did admit to having fun with some parts of the set in particular, and embellishing with a "60s feel", and noted that some details of the action had to be invented. These scene recreations were not used in the final edit of ''Twice Upon a Time''; the original footage was used in its place. However, these specially shot re-tellings were shown in the cinema feature [[DOC]]: ''[[Twice Upon a Time (documentary)|Twice Upon a Time]]''.<ref name="TUAT">[[DOC]]: ''[[Twice Upon a Time (documentary)|Twice Upon a Time]]''</ref>
* The First and Twelfth Doctors meeting also features the scene acted out differently in [[TV]]: ''[[The Doctor Falls (TV story)|The Doctor Falls]]'' and ''Twice Upon a Time'', similar to how episodes in the 60s reshooting the prior scene’s [[cliffhanger]], often resulting in little differences. The same situation also occurred when [[TV]]: ''[[The Runaway Bride (TV story)|The Runaway Bride]]'' followed the [[TV]]: ''[[Doomsday (TV story)|Doomsday]]'' [[cliffhanger]] [[2006 (releases)|11 years prior]].
* The recreated Hartnell [[TARDIS control room|TARDIS interior]] set actually included props from the original set in the 1960s. As told by [[Mark Gatiss]], these included the [[brass pillar]]s, which are indeed the brass pillars from way back in 1963. Other aspects of the set were recreated.<ref name="TUAT" />
* The recreated Hartnell [[TARDIS control room|TARDIS interior]] set actually included props from the original set in the 1960s. As told by [[Mark Gatiss]], these included the [[brass pillar]]s, which are indeed the brass pillars from way back in 1963. Other aspects of the set were recreated.<ref name="TUAT" />
* The [[Twelfth Doctor]]'s [[regeneration]] has a new visual effect, and even sound effect, to those used previously in the [[BBC Wales]] series. Resembling slow travelling, elongated golden [[lightning]]. It is the first regeneration for the Doctor, since the [[Seventh Doctor]]'s [[Doctor Who (TV story)|in 1996]], to use an effect which is visually distinct from that seen in ''[[The Parting of the Ways (TV story)|The Parting of the Ways]]'', with the [[Ninth Doctor]] up to ''[[The Doctor Falls]]''.
* The [[Twelfth Doctor]]'s [[regeneration]] has a new visual effect, and even sound effect, to those used previously in the [[BBC Wales]] series. Resembling slow travelling, elongated golden [[lightning]]. It is the first regeneration for the Doctor, since the [[Seventh Doctor]]'s [[Doctor Who (TV story)|in 1996]], to use an effect which is visually distinct from that seen in ''[[The Parting of the Ways (TV story)|The Parting of the Ways]]'', with the [[Ninth Doctor]] up to ''[[The Doctor Falls]]''.
* [[Toby Whithouse]], with his performance here as the [[German soldier (Twice Upon a Time)|German soldier]], is the fifth (and currently last) person to have both written for and acted in ''Doctor Who''. The others being [[Victor Pemberton]], [[Derrick Sherwin]], [[Glyn Jones]] and [[Mark Gatiss]]. Though Whithouse and Gatiss are the only two who have written and acted in the revived series and are the only two to have written multiple stories. Gatiss and Whithouse were the most prolific writers during Steven Moffat's time as showrunner (excluding Moffat himself).
* [[Toby Whithouse]], with his performance here as the [[German soldier (Twice Upon a Time)|German soldier]], is the fifth person to have both written for and acted in ''Doctor Who''. The others being [[Victor Pemberton]], [[Derrick Sherwin]], [[Glyn Jones]] and [[Mark Gatiss]]. Though Whithouse and Gatiss are the only two who have written and acted in the revived series and are the only two to have written multiple stories. Gatiss and Whithouse were the most prolific writers during Steven Moffat's time as showrunner after Moffat himself.
* [[Mark Hedges]], [[1st assistant director]], last worked on a [[DWU]] programme on ''[[Invasion of the Bane (TV story)|Invasion of the Bane]]'', the very first episode of ''[[The Sarah Jane Adventures]]'' in 2007. [[Gareth Meirion Thomas]], [[sound recordist]], last worked on ''[[Torchwood: Miracle Day]]'' in 2011. This was the first, and {{as of|2018|alt=so far}} only, ''Doctor Who'' credit for both crew members.
* [[Mark Hedges]], [[1st assistant director]], last worked on a [[DWU]] programme on ''[[Invasion of the Bane (TV story)|Invasion of the Bane]]'', the very first episode of ''[[The Sarah Jane Adventures]]'' in 2007. [[Gareth Meirion Thomas]], [[sound recordist]], last worked on ''[[Series 4 (Torchwood)|Torchwood: Miracle Day]]'' in 2011. This was the first, and {{as of|2018|alt=so far}} only, ''Doctor Who'' credit for both crew members.
* The [[First Doctor]]'s amazement and confusion about the [[Twelfth Doctor]]'s [[the Doctor's sonic screwdriver|sonic screwdriver]] would appear to contradict [[PROSE]]: ''[[Venusian Lullaby (novel)|Venusian Lullaby]]'', which features the screwdriver used by the First Doctor.
* This is the third consecutive regeneration story to include the word "time" in the title, following ''[[The End of Time (TV story)|The End of Time]]'' and ''[[The Time of the Doctor (TV story)|The Time of the Doctor]]''.
* This is the third consecutive regeneration story to include the word "time" in the title, following ''[[The End of Time (TV story)|The End of Time]]'' and ''[[The Time of the Doctor (TV story)|The Time of the Doctor]]''.
* This is the second [[multi-Doctor story]] to feature a regeneration and the first in which it is the current incarnation of the Doctor who is shown to regenerate.
* [[Nikki Amuka-Bird]] is credited as "Helen Clay" on-screen, and as "The Glass Woman" in ''Radio Times''.
* [[Nikki Amuka-Bird]] is credited as "Helen Clay" on-screen, and as "The Glass Woman" in ''Radio Times''.
* When Bill's [[glass avatar]] and the Doctor talk and she restores his memories of [[Clara Oswald]], the music from ''[[The Husbands of River Song (TV story)|The Husbands of River Song]]'' when the Doctor and River were on a date before the [[Singing Towers]] of [[Darillium]] plays.
* When Bill's [[glass avatar]] and the Doctor talk and she restores his memories of [[Clara Oswald]], the music from ''[[The Husbands of River Song (TV story)|The Husbands of River Song]]'' when the Doctor and River were on a date before the [[Singing Towers]] of [[Darillium]] plays.
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* The Twelfth Doctor's line "never, ever eat pears" is a tweaked version of the one in a hidden scene in [[TV]]: ''[[Human Nature (TV story)|Human Nature]]'' by the [[Tenth Doctor]]. It was also said in [[TV]]: ''[[Hell Bent (TV story)|Hell Bent]]'' by the Twelfth Doctor.
* The Twelfth Doctor's line "never, ever eat pears" is a tweaked version of the one in a hidden scene in [[TV]]: ''[[Human Nature (TV story)|Human Nature]]'' by the [[Tenth Doctor]]. It was also said in [[TV]]: ''[[Hell Bent (TV story)|Hell Bent]]'' by the Twelfth Doctor.
* This is the first regeneration story in the revived series without any direct connections to the [[Last Great Time War]].
* This is the first regeneration story in the revived series without any direct connections to the [[Last Great Time War]].
* The idea of the First Doctor looking wrong mid-regeneration can be paralleled to the Second-and-a-Halfth Doctor during the events of [[NOTVALID]]: ''[[Devious]]''.
* This is the third televised multi-Doctor story, after [[TV]]: ''[[The Two Doctors (TV story)|The Two Doctors]]'' and ''[[Time Crash (TV story)|Time Crash]]'', that is not an anniversary special. It's also the first televised [[Christmas special]] to also be a multi-Doctor story.
** ''Time Crash'' was also written by Steven Moffat.
* The Twelfth Doctor's regeneration is the second on-screen regeneration in which the participant changes gender as a result, following that of [[the General]] in [[TV]]: ''[[Hell Bent (TV story)|Hell Bent]].''
* During the title sequence, the actor credits zoom further up the screen before fading out than in previous episodes.
* The episode marks the first time since the series's revival that the Doctor is not in the TARDIS while it is crashing, after regenerating. Instead, it is the first time the TARDIS's gravity has malfunctioned and caused it to drop the Doctor out.
* Jenna Coleman's appearance had to be recorded separately as she was too busy working on ''Victoria''. She shot her scene in front of a green screen at the ''Top Gear ''office.<ref>http://www.radiotimes.com/news/tv/2018-01-19/jenna-colemans-surprise-doctor-who-return-was-almost-completely-different/</ref>
* Jenna Coleman's appearance had to be recorded separately as she was too busy working on ''Victoria''. She shot her scene in front of a green screen at the ''Top Gear ''office.<ref>http://www.radiotimes.com/news/tv/2018-01-19/jenna-colemans-surprise-doctor-who-return-was-almost-completely-different/</ref>
* The First Doctor's assertion that "I can't go through with it. I will fight it. I will not change." as he walks through the snow at the start of the episode is a line that was originally cut from the regeneration scene at the end of The Tenth Planet, according to the production subtitles available on the The Tenth Planet DVD release.{{fact}}
* For the First Doctor's TARDIS, the wall with photographs of roundels was replaced with the wall behind the Curator from ''[[The Day of the Doctor (TV story)|The Day of the Doctor]]''.<ref>[http://www.radiotimes.com/news/tv/2018-04-21/doctor-who-production-team-confirm-subtle-tom-baker-easter-egg-in-peter-capaldis-last-episode/ Doctor Who production team confirm subtle Tom Baker Easter Egg in Peter Capaldi’s last episode]
* This is the second TV story to depict more than one regeneration on screen, following ''[[Planet of the Spiders (TV story)|Planet of the Spiders]]''. While ''Planet of the Spiders'' featured two different Time Lords regenerating, this story depicts two instances of the same Time Lord regenerating.
* This is currently the only TV story in which both male and female incarnations of the Doctor appear.
* For the First Doctor's TARDIS, the wall with photographs of roundels was replaced with the wall behind the Curator from [[TV]]: ''[[The Day of the Doctor (TV story)|The Day of the Doctor]]''.<ref>[http://www.radiotimes.com/news/tv/2018-04-21/doctor-who-production-team-confirm-subtle-tom-baker-easter-egg-in-peter-capaldis-last-episode/ Doctor Who production team confirm subtle Tom Baker Easter Egg in Peter Capaldi’s last episode]
</ref>
</ref>
* When the Doctor's ring falls off her finger, only the secondary band of the ring was in the shot. This was because the first band of the ring was Peter Capaldi's wedding ring.
* When the Doctor's ring falls off her finger, only the secondary band of the ring was in the shot. This was because the first band of the ring was Peter Capaldi's wedding ring.
* The Twelfth Doctor somewhat breaks the fourth wall when he says ''"In fairness, they left out all the jokes"''; this is a nod to whoever compiled the archived footage of the past versions of the Doctor to be played by the Testimony only used scenes were the Doctor was being cold and violent.
* This is the first multi-Doctor story to explicitly take place during a previously broadcast TV story from the earlier Doctor's perspective, though footage from the unbroadcast serial ''[[Shada (TV story)|Shada]]'' was used in [[TV]]: ''[[The Five Doctors (TV story)|The Five Doctors]]''.
* This is the first regeneration story and the first multi-Doctor story to be directed by a woman.  
* This was the last episode contributed to by [[production designer]] [[Michael Pickwoad]] before the announcement of his death in [[August (people)|August]] [[2018 (people)|2018]].
* This is the first multi-Doctor story to explicitly take place during a previously broadcast TV story from the earlier Doctor's perspective, though footage from the unbroadcast serial [[TV]]: ''[[Shada (TV story)|Shada]]'' was used in [[TV]]: ''[[The Five Doctors (TV story)|The Five Doctors]]''.  
* This episode was originally not going to be made. The Twelfth Doctor's regeneration was meant to finish in [[TV]]: ''[[The Doctor Falls (TV story)|The Doctor Falls]]'' but Chibnall didn't want to start his run with a Christmas special. Worried that Doctor Who might lose its Christmas slot, Moffat convinced Peter Capaldi to do the Christmas special.<ref>https://www.digitalspy.com/tv/cult/a834617/doctor-who-christmas-special-almost-scrapped/</ref>
* This was the last episode contributed to by [[production designer]] [[Michael Pickwoad]] before the announcement of his death in [[August (people)|August]] [[2018 (people)|2018]].  
** Despite so, Chibnall did not use the Christmas slot the subsequent year, opting for a new-years special instead.<ref>See [[TV]]: ''[[Resolution (TV story)|Resolution]]''</ref>
* Moffat wondered how the First Doctor's clothes fit on the Second Doctor post-regeneration.{{fact}}
** In ''[[The Power of the Daleks (TV story)|The Power of the Daleks]]'', it is shown that the Doctor's outfit somehow changed, suggesting that the Doctor is capable of involuntarily regenerating his clothes.


=== Ratings ===
=== Ratings ===
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* When examining the glass woman, the Twelfth Doctor’s right hand is in line with his waist. Next shot and his hand is down his side. In the next shot, his left hand is next to his waist.
* When examining the glass woman, the Twelfth Doctor’s right hand is in line with his waist. Next shot and his hand is down his side. In the next shot, his left hand is next to his waist.
* When the Captain is taken from the World War One battlefield he has his revolver in his hand. After he falls to the ground at the South Pole, the gun is in his holster and he has to draw it again.
* When the Captain is taken from the World War One battlefield he has his revolver in his hand. After he falls to the ground at the South Pole, the gun is in his holster and he has to draw it again.
* At around the 39-minute mark, the date on the electronic display reads 5,000,000,012 & the Doctor says year five million & twelve. 5,000,000,012 is five billion & twelve.
* A few times throughout the episode, the doors of the first Doctor's TARDIS open as he approaches them even though he didn't operate the door control on the console.
* A few times throughout the episode, the doors of the first Doctor's TARDIS open as he approaches them even though he didn't operate the door control on the console.
* After the Captain requests a favour from the Doctors, the First Doctor can be heard saying "Oh, anything. Name it," but his mouth is not actually moving after the word "oh."
* After the Captain requests a favour from the Doctors, the First Doctor can be heard saying "Oh, anything. Name it," but his mouth is not actually moving after the word "oh."
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* When the medics run with the stretcher, it is brown and has a large stain on it. But when the soldier is on it, it changes to black.
* When the medics run with the stretcher, it is brown and has a large stain on it. But when the soldier is on it, it changes to black.
* During the scene in which the soldiers are playing football, the shot is flipped. This is visible due to the soldier's uniforms.
* During the scene in which the soldiers are playing football, the shot is flipped. This is visible due to the soldier's uniforms.
* Before stepping in to the TARDIS to regenerate, the Doctor is seen wearing black and blue running shoes. In the next shot where he's in the TARDIS, he is wearing his usual black boots.
* In the original episode of ''The Tenth Planet'', the First Doctor regenerates with Ben and Polly at his side. In this episode, he regenerates alone.
* The Twelfth Doctor begins regeneration with his back to the stairs, but immediately following regeneration, the Thirteenth Doctor is standing at a different angle and is further away from the stairs.
* The Twelfth Doctor begins regeneration with his back to the stairs, but immediately following regeneration, the Thirteenth Doctor is standing at a different angle and is further away from the stairs.
* When the Doctor catches herself from falling through the TARDIS doors with her foot, her boot briefly changes to a different shoe.
* When the Doctor catches herself from falling through the TARDIS doors with her foot, her boot briefly changes to a different shoe.
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=== Myths ===
=== Myths ===
* The Twelfth Doctor would be killed. ''The Twelfth Doctor was killed in the [[The Doctor Falls (TV story)|previous story]], he just refused to regenerate then.''
* The Twelfth Doctor would be killed. ''The Twelfth Doctor was killed in the [[The Doctor Falls (TV story)|previous story]], he just refused to regenerate then.''
* Because the opening was set in the events of ''The Tenth Planet'', [[Cybermen]] would appear. ''Although this was technically true, they only appeared through the use of archival footage from said story.''
* Because the opening was set in the events of ''The Tenth Planet'', [[Cybermen]] would appear. ''Although this was technically true, they only appeared through the use of archival footage from said story.''
** A full recreation of several scenes were originally filmed for this purpose.
** A full recreation of several scenes were originally filmed for this purpose.
* [[Carole Ann Ford]] would return as [[Susan Foreman]]. ''This was proven false.''
* [[Carole Ann Ford]] would return as [[Susan Foreman]]. ''This was proven false.''
* The Captain would turn out to be Gilbert MacKenzie-Trench, the man who created the iconic police box design. ''The Captain was revealed to be [[Archibald Hamish Lethbridge-Stewart]], an ancestor of [[the Brigadier]].''
* The Captain would turn out to be Gilbert MacKenzie-Trench, the man who created the iconic police box design. ''The Captain was revealed to be [[Archibald Hamish Lethbridge-Stewart]], an ancestor of [[Alistair Gordon Lethbridge-Stewart|the Brigadier]].''
* The Doctor would regenerate while falling. ''The Doctor fell out of the TARDIS after regenerating instead.''
* The Doctor would regenerate while falling. ''The Doctor fell out of the TARDIS after regenerating instead.''
* According to the [[Daily Mirror]], this story would see the last day of the [[Time War]] from the perspective of the [[First Doctor]] and the [[Twelfth Doctor]]. ''This was proven false.''
* According to the ''[[Daily Mirror]]'', this story would see the last day of the [[Last Great Time War|Time War]] from the perspective of the [[First Doctor]] and the [[Twelfth Doctor]]. ''This was proven false.''
* [[Matt Smith]] would return as the [[Eleventh Doctor]]. ''This was proven false, although archive footage was used of all of the Doctor's incarnations up to the Twelfth by the Testimony to prove to the First Doctor that the Twelfth Doctor was indeed his future incarnation.''
* [[Matt Smith]] would return as the [[Eleventh Doctor]]. ''This was proven false, although archive footage was used of all of the Doctor's incarnations up to the Twelfth by the Testimony to prove to the First Doctor that the Twelfth Doctor was indeed his future incarnation.''
* The videotape prop of "The Daleks' Master Plan 1-12" was a real domestic videotape recording of all twelve episodes loaned to the crew by a film collector. ''While it is possible missing episodes could exist on off-air videotape cassette recordings, this simply isn't the case. It is highly unlikely a private collector would loan such a rare item without realising the BBC would most likely return it to their archives and make it publicly available. Furthermore, a domestic tape of 1965/66 quality could not contain more than roughly 120-160 minutes, while all twelve episodes are a total of 300 minutes.''


== Continuity ==
== Continuity ==
* The Twelfth Doctor mentions Bill's [[Cyber-conversion]] and apparent death, ([[TV]]: ''[[World Enough and Time (TV story)|World Enough and Time]]''/''[[The Doctor Falls (TV story)|The Doctor Falls]]'') and Bill explains how [[Heather (The Pilot)|Heather]] saved her. ([[TV]]: ''[[The Doctor Falls (TV story)|The Doctor Falls]]'')
* The Twelfth Doctor mentions Bill's [[Cyber-conversion]], ([[TV]]: ''[[World Enough and Time (TV story)|World Enough and Time]]'') and Bill explains how [[Heather (The Pilot)|Heather]] saved her, though she has difficulty remembering the details. ([[TV]]: ''[[The Doctor Falls (TV story)|The Doctor Falls]]'') Bill has to remind the Twelfth Doctor about [[Heather (The Pilot)|Heather]] and the [[sentient oil]]. ([[TV]]: ''[[The Pilot (TV story)|The Pilot]]'')
* The Twelfth Doctor declares everyone is important. The Eleventh Doctor thought so too. ([[TV]]: ''[[A Christmas Carol (TV story)|A Christmas Carol]]'') The [[Ninth Doctor]] previously claimed an "ordinary man" was the most important thing in creation, and expressed shock when [[Sarah Clark|someone]] said they weren't important. ([[TV]]: ''[[Father's Day (TV story)|Father's Day]]'')
* When time freezes following the meeting of the Twelfth and First Doctors, the Twelfth theorises that it is their temporally-paradoxical meeting which has caused this effect — much as when time was similarly frozen when the [[Eighth Doctor]] encountered the First Doctor. ([[PROSE]]: ''[[The Eight Doctors (novel)|The Eight Doctors]]'')
* The Twelfth Doctor indirectly references that the TARDIS, as [[time]] passes, inevitably suffers from a [[size leak]]. ([[TV]]: ''[[The Name of the Doctor (TV story)|The Name of the Doctor]]'')
* The Twelfth Doctor declares everyone is important. The [[Eleventh Doctor]] thought so too. ([[TV]]: ''[[A Christmas Carol (TV story)|A Christmas Carol]]'') The [[Ninth Doctor]] previously claimed an "ordinary man" was the most important thing in creation, and expressed shock when [[Sarah Clark|someone]] said they weren't important. ([[TV]]: ''[[Father's Day (TV story)|Father's Day]]'') The [[Tenth Doctor]] told [[John Lumic]] in his [[Cybusman|Cybus]] [[Cyber-Controller|Cyber Controller]] form how people are important, ([[TV]]: ''[[The Age of Steel (TV story)|The Age of Steel]]'') and also told Lazarus how there's no such thing as an ordinary being. ([[TV]]: ''[[The Lazarus Experiment (TV story)|The Lazarus Experiment]]'')
*Once again, the Twelfth Doctor loses possession of [[The Doctor's TARDIS|his TARDIS]]. ([[TV]]: ''[[Face the Raven (TV story)|Face the Raven]]'') He also lost it during his [[First Doctor|first]], ([[TV]]: ''[[Marco Polo (TV story)|Marco Polo]]'') [[Second Doctor|second]], ([[TV]]: ''[[The Faceless Ones (TV story)|The Faceless Ones]]'', ''[[The Evil of the Daleks (TV story)|The Evil of the Daleks]]'') [[Tenth Doctor|tenth]], ([[TV]]: ''[[The Impossible Planet (TV story)|The Impossible Planet]]'', ''[[Blink (TV story)|Blink]]'', ''[[Utopia (TV story)|Utopia]]'', ''[[Voyage of the Damned (TV story)|Voyage of the Damned]]'', ''[[The Poison Sky (TV story)|The Poison Sky]]'') and [[Eleventh Doctor|eleventh]] [[incarnation]]s. ([[TV]]: ''[[The Lodger (TV story)|The Lodger]]'', ''[[The Doctor's Wife (TV story)|The Doctor's Wife]]'')
* The Twelfth Doctor nearly encountered his first incarnation when the TARDIS was accidentally transported to the barn on Gallifrey where his first incarnation was hiding as a child. However, the Twelfth Doctor was unconscious at the time and left without going outside to meet his younger self. ([[TV]]: ''[[Listen (TV story)|Listen]]'')
* The Twelfth Doctor previously nearly encountered his first incarnation when the TARDIS was accidentally transported to the barn on Gallifrey where his first incarnation was hiding as a child. However, the Twelfth Doctor was unconscious at the time and left without going outside to meet his younger self. ([[TV]]: ''[[Listen (TV story)|Listen]]'')
* The Twelfth Doctor informs the First Doctor he must remember where he parked, having got in the wrong TARDIS. The [[Eleventh Doctor]] would later repeat this sentiment to himself when on a date with [[River Song]]. ([[HOMEVID]]: ''[[Last Night (home video)|Last Night]]'')
* Bill reminds the Twelfth Doctor about [[Heather (The Pilot)|Heather]] and the [[sentient oil]]. ([[TV]]: ''[[The Pilot (TV story)|The Pilot]]'')
* Despite remembering that Heather saved her, Bill does not know where Heather is, implying her own transformation from [[human]] to [[sentient oil]] is considered her 'death' by the [[Testimony]], as this is the point at which her memories run out. ([[TV]]: ''[[The Doctor Falls (TV story)|The Doctor Falls]]'')
* The [[Twelfth Doctor]] tells the Testimony that the Earth is defended and comments on how "that almost never works" when the Testimony retreats briefly. ([[TV]]: ''[[The Eleventh Hour (TV story)|The Eleventh Hour]]'' et al.) The [[First Doctor]] is surprised by this, causing the Twelfth Doctor to remember that he is "early days". ([[PROSE]]: ''[[Doctor Who and the Horror of Coal Hill (short story)|Doctor Who and the Horror of Coal Hill]]'')
* The Twelfth Doctor informs the First Doctor he must remember where he parked, having got in the wrong TARDIS. The Eleventh Doctor would later repeat this sentiment to himself when on a date with River Song. ([[HOMEVID]]: ''[[Last Night (home video)|Last Night]]'')
* The Twelfth Doctor is well aware of the consequences that would arise from the premature [[death]] of his predecessor and the resulting erasure of his deeds. ([[TV]]: ''[[Turn Left (TV story)|Turn Left]]'', ''[[The Name of the Doctor (TV story)|The Name of the Doctor]]'')
*The First Doctor remarks on his successor playing the electric guitar. ([[TV]]: ''[[The Magician's Apprentice (TV story)|The Magician's Apprentice]]'', ''[[Hell Bent (TV story)|Hell Bent]]'', ''[[The Pilot (TV story)|The Pilot]]'')
* The First Doctor declares he will not change. The Twelfth Doctor said the same thing. ([[TV]]: ''[[The Doctor Falls (TV story)|The Doctor Falls]]'')
* The Twelfth Doctor visits the South Pole as he nears regeneration. He was there, also near regeneration, in his first incarnation. ([[TV]]: ''[[The Tenth Planet (TV story)|The Tenth Planet]]'')
* The Twelfth Doctor visits the South Pole as he nears regeneration. He was there, also near regeneration, in his first incarnation. ([[TV]]: ''[[The Tenth Planet (TV story)|The Tenth Planet]]'')
* The [[Fifth Doctor]] had previously expressed embarrassment at the First Doctor's mild [[sexism]]. ([[TV]]: ''[[The Five Doctors (TV story)|The Five Doctors]]'')
* The First Doctor mentions that the TARDIS needs a "good spring clean" which [[Barbara Wright]] also stated before. ([[TV]]: ''[[The Web Planet (TV story)|The Web Planet]]'')
* The First Doctor jokingly compares the TARDIS to a restaurant which [[Ian Chesterton]] did in a straight manner. ([[PROSE]]: ''[[Doctor Who in an Exciting Adventure with the Daleks (novelisation)|Doctor Who in an Exciting Adventure with the Daleks]]'')
* The First Doctor seems to'd forgotten seeing future generations. (TV: ''[[The Three Doctors (TV story)|The Three Doctors]], [[The Five Doctors (TV story)|The Five Doctors]], [[The Day of the Doctor (TV story)|The Day of the Doctor]]'')
* The Doctor was present for the Christmas truce of 1914 earlier in his first incarnation ([[PROSE]]: ''[[The Little Drummer Boy (short story)|The Little Drummer Boy]]'') as well as during his [[Fifth Doctor|fifth]] ([[PROSE]]: ''[[Never Seen Cairo (short story)|Never Seen Cairo]]'') and [[Ninth Doctor|ninth incarnations]]. ([[COMIC]]: ''[[The Forgotten (comic story)|The Forgotten]]'')
* The Doctor was present for the Christmas truce of 1914 earlier in his first incarnation ([[PROSE]]: ''[[The Little Drummer Boy (short story)|The Little Drummer Boy]]'') as well as during his [[Fifth Doctor|fifth]] ([[PROSE]]: ''[[Never Seen Cairo (short story)|Never Seen Cairo]]'') and [[Ninth Doctor|ninth incarnations]]. ([[COMIC]]: ''[[The Forgotten (comic story)|The Forgotten]]'')
* The First Doctor is unfamiliar with the [[the Doctor's sonic screwdriver|sonic screwdriver]]. ([[TV]]: ''[[Fury from the Deep (TV story)|Fury from the Deep]]'', et. al)
* The Twelfth Doctor goes to the abandoned weapon forges of [[Villengard]], to find an old ally. The [[War Doctor]] had previously visited Villengard, when he caused the main [[reactor]] to go critical and vaporise everything to prevent it from providing weapons for [[Bronze Dalek|Mark VII Daleks]], ([[COMIC]]: ''[[The Whole Thing's Bananas (comic story)|The Whole Thing's Bananas]]'') an adventure he later recounted to Captain [[Jack Harkness]]. Jack's [[sonic blaster]] was made there. ([[TV]]: ''[[The Doctor Dances (TV story)|The Doctor Dances]]'')
* The Twelfth Doctor goes to the abandoned weapon forges of [[Villengard]], to find an old ally. The [[Ninth Doctor]] previously told [[Jack Harkness]] that he had once visited Villengard, when the main [[reactor]] went critical, and vapourised everything. Jack's [[sonic blaster]] was made here. ([[TV]]: ''[[The Doctor Dances (TV story)|The Doctor Dances]]'')
* Villengard was once called the nightmare of the [[Seven Galaxies]], a Kaled concept that believed only Skaro could have intelligent life forms in the seven galaxies. ([[TV]]: ''[[Genesis of the Daleks (TV story)|Genesis of the Daleks]]'')
** Villengard was once called the nightmare of the [[Seven Galaxies]], a Kaled concept that believed only Skaro could have intelligent life forms in the seven galaxies. ([[TV]]: ''[[Genesis of the Daleks (TV story)|Genesis of the Daleks]]'')
* Villengard is at the centre of the universe, where [[Terminus]] was when the Fifth Doctor visited the area. ([[TV]]: ''[[Terminus (TV story)|Terminus]]'')
** Villengard is at the centre of the universe, where [[Terminus]] was when the Fifth Doctor visited the area. ([[TV]]: ''[[Terminus (TV story)|Terminus]]'')
* The First Doctor recognises what the Twelfth Doctor knows to be a [[Dalek mutant]] on Villengard, having encountered such mutations on his first visit to [[Skaro]]. ([[TV]]: ''[[The Daleks (TV story)|The Daleks]]'')
* The First Doctor recognises what the Twelfth Doctor knows to be a [[Kaled mutant]] on Villengard, having encountered such mutations on his first visit to [[Skaro]]. ([[TV]]: ''[[The Daleks (TV story)|The Daleks]]'')
* The First Doctor explains why he ran away from Gallifrey, ([[TV]]: ''[[Heaven Sent (TV story)|Heaven Sent]]'') mentioning many "pressing reasons" as the [[Fourth Doctor]] did to [[Adric]]. ([[TV]]: ''[[Logopolis (TV story)|Logopolis]]'')
* The First Doctor explains why he ran away from Gallifrey, ([[TV]]: ''[[Heaven Sent (TV story)|Heaven Sent]]'') mentioning many "pressing reasons" as the [[Fourth Doctor]] did to [[Adric]]. ([[TV]]: ''[[Logopolis (TV story)|Logopolis]]'')
* The Twelfth Doctor meets [[Rusty]] again. ([[TV]]: ''[[Into the Dalek (TV story)|Into the Dalek]]'')
* The Twelfth Doctor meets Rusty again. Rusty calls the Twelfth Doctor a "good Dalek", as he did before. ([[TV]]: ''[[Into the Dalek (TV story)|Into the Dalek]]'')
* Rusty calls the Twelfth Doctor a "good Dalek". He did so before. ([[TV]]: ''[[Into the Dalek (TV story)|Into the Dalek]]'', ''[[Death in Heaven (TV story)|Death in Heaven]]'') [[Metaltron|Another Dalek]] once called the [[Ninth Doctor]] a "good Dalek". ([[TV]]: ''[[Dalek (TV story)|Dalek]]'')  
* The Doctor mentions that Earth is a "[[level 5 planet|level 5 civilisation]]". ([[TV]]: ''[[City of Death (TV story)|City of Death]]'', ''[[Voyage of the Damned (TV story)|Voyage of the Damned]]'', ''[[The Eleventh Hour (TV story)|The Eleventh Hour]]'')
* The Doctor mentions that Earth is a "[[level 5 planet|level 5 civilisation]]". ([[TV]]: ''[[City of Death (TV story)|City of Death]]'', ''[[Voyage of the Damned (TV story)|Voyage of the Damned]]'', ''[[The Eleventh Hour (TV story)|The Eleventh Hour]]'')
* As Bill, the Doctor and Nardole hug, the latter says "cuddle". He previously said this when hugging the Doctor and Bill. ([[TV]]: ''[[Oxygen (TV story)|Oxygen]]'')
* As Bill, the Doctor and Nardole hug, the latter says "cuddle". He previously said this when hugging the Doctor and Bill. ([[TV]]: ''[[Oxygen (TV story)|Oxygen]]'')
* [[Helen Clay]] is from [[New Earth (New Earth)|New Earth]]. She founded the [[Testimony Foundation]] in [[5000000012|5,000,000,012]], just a few years before the [[Tenth Doctor]] and [[Rose Tyler|Rose]] first [[5000000023|visited]]. ([[TV]]: ''[[New Earth (TV story)|New Earth]]'', ''[[Gridlock (TV story)|Gridlock]]'')
* [[Helen Clay]] is from [[New Earth (New Earth)|New Earth]]. She founded the [[Testimony Foundation]] in [[5000000012|5,000,000,012]], just a few years before the [[Tenth Doctor]] and [[Rose Tyler|Rose]] first [[5000000023|visited]]. ([[TV]]: ''[[New Earth (TV story)|New Earth]]'')
* The Doctor holds a [[Dalek]] [[eyestalk]]. ([[TV]]: ''[[The Wedding of River Song (TV story)|The Wedding of River Song]]'', ''[[The Time of the Doctor (TV story)|The Time of the Doctor]]'')
* The First Doctor remarks on how dusty and dirty the Twelfth Doctor's TARDIS is. [[Wilfred Mott]] once said similar regarding the Tenth Doctor's TARDIS, specifically that he felt it should be cleaner. ([[TV]]: ''[[The End of Time (TV story)|The End of Time]]'')
* The Doctor is referred to as "the Doctor of War". ([[TV]]: ''[[A Good Man Goes to War (TV story)|A Good Man Goes to War]]'', ''[[The Name of the Doctor (TV story)|The Name of the Doctor]]'', ''[[The Day of the Doctor (TV story)|The Day of the Doctor]]'', ''[[Hell Bent (TV story)|Hell Bent]]'') The Testimony also calls the Doctor by other titles associated with conflict, as did the Daleks, ([[TV]]: ''[[The Parting of the Ways (TV story)|The Parting of the Ways]]'', ''[[Asylum of the Daleks (TV story)|Asylum of the Daleks]]'', [[PROSE]]: ''[[Engines of War (novel)|Engines of War]]'') and the [[Great Intelligence]]. ([[TV]]: ''[[The Name of the Doctor (TV story)|The Name of the Doctor]]'')
* The Doctor meets his first incarnation. He has met him before and also struggles to remember the encounter. ([[TV]]: ''[[The Three Doctors (TV story)|The Three Doctors]]'', ''[[The Five Doctors (TV story)|The Five Doctors]]'', ''[[The Day of the Doctor (TV story)|The Day of the Doctor]]'')
* The Twelfth Doctor tells the First Doctor they have an advantage as "this time there's two of us". The Eleventh Doctor made a similar remark when talking to his Tenth and War incarnations. ([[TV]]: ''[[The Day of the Doctor (TV story)|The Day of the Doctor]]'')
* The Doctor once more pilots a previous incarnation's [[The Doctor's TARDIS|TARDIS]]. ([[TV]]: ''[[The Day of the Doctor (TV story)|The Day of the Doctor]]'')
* The Doctors banter about their differences. ([[TV]]: ''[[Time Crash (TV story)|Time Crash]]'', ''[[The Day of the Doctor (TV story)|The Day of the Doctor]]'')
* The First Doctor still calls the TARDIS "the Ship". ([[TV]]: ''[[The Daleks (TV story)|The Daleks]]'', ''[[The Sensorites (TV story)|The Sensorites]]'', [[PROSE]]: ''[[Time and Relative (novel)|Time and Relative]]'')
* The Twelfth Doctor favourably remarks about the desktop theme of the First Doctor's TARDIS. The Tenth and Eleventh Doctors did the same regarding the [[War Doctor]]'s TARDIS. Likewise, the First Doctor criticises the Twelfth Doctor's desktop theme just as the Tenth did the Eleventh's. ([[TV]]: ''[[The Day of the Doctor (TV story)|The Day of the Doctor]]'') The [[Fifth Doctor]] also once voiced his dislike of the Tenth Doctor's desktop theme. ([[TV]]: ''[[Time Crash (TV story)|Time Crash]]'')
* Shortly after the First Doctor leaves the Twelfth Doctor, he regenerates into his [[Second Doctor|next incarnation]]. This also happened with the War Doctor after he parted ways with the Tenth and Eleventh Doctors. ([[TV]]: ''[[The Day of the Doctor (TV story)|The Day of the Doctor]]'')
* The First Doctor remarks on how dusty and dirty the Twelfth Doctor's TARDIS is. [[Wilfred Mott|Wilf]] once said similar regarding the Tenth Doctor's TARDIS, specifically that he felt it would be cleaner. ([[TV]]: ''[[The End of Time (TV story)|The End of Time]]'')
* The Testimony shows the Doctors the number of times they have become associated with wars. ([[TV]]:'' [[The Day of the Doctor]]'', ''[[Journey's End (TV story)|Journey's End]]'', ''[[The Name of the Doctor (TV story)|The Name of the Doctor]]'')
** The Testimony show snippets of the First Doctor's future incarnations: the [[Third Doctor]], ([[TV]]: ''[[Invasion of the Dinosaurs (TV story)|Invasion of the Dinosaurs]]'') the [[Fourth Doctor]], ([[TV]]: ''[[Genesis of the Daleks (TV story)|Genesis of the Daleks]]'') the [[Fifth Doctor]], ([[TV]]: ''[[Arc of Infinity (TV story)|Arc of Infinity]]'') the [[Seventh Doctor]], ([[TV]]: ''[[The Happiness Patrol (TV story)|The Happiness Patrol]]'') the [[Eighth Doctor]], ([[TV]]: ''[[The Night of the Doctor (TV story)|The Night of the Doctor]]'') the [[War Doctor]], ([[TV]]: ''[[The Day of the Doctor (TV story)|The Day of the Doctor]]'') the [[Ninth Doctor]], ([[TV]]: ''[[The Parting of the Ways (TV story)|The Parting of the Ways]]'') the [[Tenth Doctor]], ([[TV]]: ''[[The Waters of Mars (TV story)|The Waters of Mars]]'', ''[[The Day of the Doctor (TV story)|The Day of the Doctor]]'') the [[Eleventh Doctor]], ([[TV]]: ''[[Cold Blood (TV story)|Cold Blood]]'', ''[[The Day of the Doctor (TV story)|The Day of the Doctor]]'') and the [[Twelfth Doctor]]. ([[TV]]: ''[[The Doctor Falls (TV story)|The Doctor Falls]]'')
** The Testimony also shows [[Davros]] ([[TV]]: ''[[Journey's End (TV story)|Journey's End]]'') and [[Nyssa]]. ([[TV]]: ''[[Arc of Infinity (TV story)|Arc of Infinity]]'')
* The Twelfth Doctor's TARDIS is stolen from him. The [[Tenth Doctor]] also had his TARDIS taken by the [[Sontaran]]s ([[TV]]: ''[[The Poison Sky (TV story)|The Poison Sky]]'') and the [[Dalek]]s. ([[TV]]: ''[[Journey's End (TV story)|Journey's End]]'')
* The [[Eleventh Doctor]]'s [[Siege of Trenzalore|conflict]] at [[Trenzalore]] is mentioned by the Testimony, ([[TV]]: ''[[The Time of the Doctor (TV story)|The Time of the Doctor]]'') as is the [[Pandorica]], ([[TV]]: ''[[The Pandorica Opens (TV story)|The Pandorica Opens]]'') the [[Last Great Time War]], ([[TV]]: ''[[Dalek (TV story)|Dalek]]'', et al.) and the destruction of [[Skaro]]. ([[TV]]: ''[[Remembrance of the Daleks (TV story)|Remembrance of the Daleks]]'')
* The Testimony tells the Doctor that he is in the shadow of [[the Valeyard]]. ([[TV]]: ''[[The Mysterious Planet (TV story)|The Mysterious Planet]]'', ''[[Mindwarp (TV story)|Mindwarp]]'', ''[[Terror of the Vervoids (TV story)|Terror of the Vervoids]]'', ''[[The Ultimate Foe (TV story)|The Ultimate Foe]]'') The Valeyard had previously caused the [[Sixth Doctor]] to regenerate. ([[AUDIO]]: ''[[The End of the Line (audio story)|The End of the Line]]'', ''[[The Red House (audio story)|The Red House]]'', ''[[Stage Fright (audio story)|Stage Fright]]'', ''[[The Brink of Death (audio story)|The Brink of Death]]'')  
* The Twelfth Doctor repeats [[River Song]]'s favourite phrase of "spoilers" to the Captain and his predecessor. The Tenth and Eleventh Doctors also employed this phrase. ([[TV]]: ''[[Silence in the Library (TV story)|Silence in the Library]]'', ''[[Let's Kill Hitler (TV story)|Let's Kill Hitler]]'', ''[[The Day of the Doctor (TV story)|The Day of the Doctor]]'') After the [[First Doctor]] is surprised to learn that Earth is defended, he calls the First Doctor "early days," the same phrase used by River to refer to the [[Tenth Doctor]]. ([[TV]]: ''[[Silence in the Library (TV story)|Silence in the Library]]'')
* The Twelfth Doctor repeats [[River Song]]'s favourite phrase of "spoilers" to the Captain and his predecessor. The Tenth and Eleventh Doctors also employed this phrase. ([[TV]]: ''[[Silence in the Library (TV story)|Silence in the Library]]'', ''[[Let's Kill Hitler (TV story)|Let's Kill Hitler]]'', ''[[The Day of the Doctor (TV story)|The Day of the Doctor]]'') After the [[First Doctor]] is surprised to learn that Earth is defended, he calls the First Doctor "early days," the same phrase used by River to refer to the [[Tenth Doctor]]. ([[TV]]: ''[[Silence in the Library (TV story)|Silence in the Library]]'')
* Halfway through the episode, when the two Doctors discuss why they are both refusing to regenerate, the song "Doomsday" is heard. This was last used shortly after Rose Tyler got trapped in a parallel universe ([[TV]]: ''[[Doomsday (TV story)|Doomsday]]'') and before that when Rose first entered the TARDIS ([[TV]]: ''[[Rose (TV story)|Rose]]'')
* The Twelfth Doctor remembers his promise to "never be cruel or cowardly. Never give up, never give in." ([[TV]]: ''[[The Day of the Doctor (TV story)|The Day of the Doctor]]'')
* The Twelfth Doctor remembers his promise to "never be cruel or cowardly. Never give up, never give in." ([[TV]]: ''[[The Day of the Doctor (TV story)|The Day of the Doctor]]'', ''[[Hell Bent (TV story)|Hell Bent]]'')
* The Twelfth Doctor uses his [[astral map]] ([[TV]]: ''[[The Web Planet (TV story)|The Web Planet]]'') and the [[TARDIS databank]]. ([[TV]]: ''[[Castrovalva (TV story)|Castrovalva]]'')
* The Twelfth Doctor uses his [[astral map]] ([[TV]]: ''[[The Web Planet (TV story)|The Web Planet]]'') and the [[TARDIS databank]]. ([[TV]]: ''[[Castrovalva (TV story)|Castrovalva]]'')
* The Twelfth Doctor mentions the Daleks' [[Pathweb]]. ([[TV]]: ''[[Asylum of the Daleks (TV story)|Asylum of the Daleks]]'', ''[[The Time of the Doctor (TV story)|The Time of the Doctor]]'')
* The Twelfth Doctor mentions the Daleks' [[Pathweb]]. ([[TV]]: ''[[Asylum of the Daleks (TV story)|Asylum of the Daleks]]'')
* The Twelfth Doctor once more references River's words from [[River Song's diary|her diary]]. ([[TV]]: ''[[Extremis (TV story)|Extremis]]'', ''[[The Doctor Falls (TV story)|The Doctor Falls]]'')
* The Twelfth Doctor once more references River's words from [[River Song's diary|her diary]]. ([[TV]]: ''[[Extremis (TV story)|Extremis]]'', ''[[The Doctor Falls (TV story)|The Doctor Falls]]'')
* The Doctors promise to check up on the [[Lethbridge-Stewart family|family of Lethbridge-Stewart]]. ([[TV]]: ''[[The Web of Fear (TV story)|The Web of Fear]]'', et al.)
* The Twelfth Doctor regains his memories of [[Clara Oswald|Clara]]. ([[TV]]: ''[[Hell Bent (TV story)|Hell Bent]]'', ''[[For Tonight We Might Die (TV story)|For Tonight We Might Die]]'', ''[[The Pilot (TV story)|The Pilot]]'')
* [[Regeneration energy]] has previously dealt severe damage to [[the Doctor's TARDIS]], leaving it in disarray for the successor. ([[TV]]: ''[[The End of Time (TV story)|The End of Time]]'')
* [[Regeneration energy]] has previously dealt severe damage to [[the Doctor's TARDIS]], leaving it in disarray for the successor. ([[TV]]: ''[[The End of Time (TV story)|The End of Time]]'')
* The Twelfth Doctor mentions Bill's [[Christmas gift]] of a [[rug]]. ([[TV]]: ''[[The Pilot (TV story)|The Pilot]]'')
* The Twelfth Doctor mentions Bill's [[Christmas gift]] of a [[rug]]. ([[TV]]: ''[[The Pilot (TV story)|The Pilot]]'')
* The final shot of the Twelfth Doctor is a shot of his [[eye]]s and [[eyebrow]]s, echoing his first appearance. ([[TV]]: ''[[The Day of the Doctor (TV story)|The Day of the Doctor]]'') His [[ring]] also falls to the ground shortly after regenerating, mirroring when his [[Eleventh Doctor|predecessor]]'s [[bow tie]] fell to the ground as he regenerated, ([[TV]]: ''[[The Time of the Doctor (TV story)|The Time of the Doctor]]'') and recalls how the First Doctor's [[The Doctor's ring|ring]] no longer fitted the Second Doctor's finger, leading him to discard it. ([[TV]]: ''[[The Power of the Daleks (TV story)|The Power of the Daleks]]'')
* The final shot of the Twelfth Doctor is a shot of his [[eye]]s and [[eyebrow]]s, echoing his first appearance. ([[TV]]: ''[[The Day of the Doctor (TV story)|The Day of the Doctor]]'') His [[ring]] also falls to the ground shortly after regenerating, mirroring when his [[Eleventh Doctor|predecessor]]'s [[bow tie]] fell to the ground as he regenerated, ([[TV]]: ''[[The Time of the Doctor (TV story)|The Time of the Doctor]]'') and recalls how the First Doctor's [[The Doctor's signet ring|ring]] no longer fitted the [[Second Doctor]]'s finger, leading him to discard it. ([[TV]]: ''[[The Power of the Daleks (TV story)|The Power of the Daleks]]'')
* The Twelfth Doctor says "Doctor, I let you go" before regenerating. Before he blew up the Cybermen on the Mondas Colony Ship, he previously told himself to "let it go". ([[TV]]: ''[[The Doctor Falls (TV story)|The Doctor Falls]]'') In contrast, as his tenth incarnation regenerated, he had said; "I don't want to go". ([[TV]]: ''[[The End of Time (TV story)|The End of Time]]'', ''[[The Day of the Doctor (TV story)|The Day of the Doctor]]'')
** The Twelfth Doctor's ring actually falls into the floor ventilation system part of the [[TARDIS control console|console system]], mirroring how the [[Seventh Doctor]] found his first incarnation's ring in the console after his regeneration. ([[COMIC]]: ''[[The Chameleon Factor (comic story)|The Chameleon Factor]]'')
* The First Doctor chides Bill for [[swearing]], echoing how he did the same with his own granddaughter [[Susan Foreman|Susan]] when she made crude remarks. ([[TV]]: ''[[An Unearthly Child (TV story)|An Unearthly Child]]'')
* The First Doctor chides Bill for [[swearing]], echoing how he did the same with his own granddaughter [[Susan Foreman|Susan]] when she made crude remarks. ([[TV]]: ''[[An Unearthly Child (TV story)|An Unearthly Child]]'')
* The Twelfth Doctor recalls where the [[alcohol]] is stored in the TARDIS, having seen River access it. ([[TV]]: ''[[The Husbands of River Song (TV story)|The Husbands of River Song]]'')
* The Twelfth Doctor recalls where the [[alcohol]] is stored in the TARDIS, having seen River access it. ([[TV]]: ''[[The Husbands of River Song (TV story)|The Husbands of River Song]]'')
* The Twelfth Doctor tells his successor not to eat [[pear]]s. The [[Seventh Doctor|Seventh]] and Twelfth Doctors previously expressed a distaste for pears. ([[PROSE]]: ''[[Human Nature (novel)|Human Nature]]'', [[TV]]: ''[[Hell Bent (TV story)|Hell Bent]]'') Though the human [[John Smith (Tenth Doctor)|John Smith]] was seen eating a pear in [[TV]]: ''[[Human Nature (TV story)|Human Nature]]'', footage which is used, sped up, in that same episode, included the [[Tenth Doctor]] himself warning [[Martha Jones|Martha]] not to let his human counterpart eat pears.
* The Thirteenth Doctor expresses delight when she sees her new reflection in the TARDIS view screen. The Twelfth Doctor previously expressed approval when Clara suggested he could become female. ([[TV]]: ''[[Death in Heaven (TV story)|Death in Heaven]]'') The Eleventh Doctor also expressed enjoyment at being a woman when he switched bodies with Amy Pond. The Doctor noted that "Time Lords don't really worry that much about what sex they are." ([[COMIC]]: ''[[Body Snatched (comic story)|Body Snatched]]'') He also mistakenly thought he had regenerated into a woman shortly after his own regeneration. ([[TV]]: ''[[The End of Time (TV story)|The End of Time]]'')
* The Thirteenth Doctor expresses delight when she sees her new reflection in the TARDIS view screen. The Twelfth Doctor previously expressed approval when Clara suggested he could become female. ([[TV]]: ''[[Death in Heaven (TV story)|Death in Heaven]]'') The Eleventh Doctor also expressed enjoyment at being a woman when he switched bodies with Amy Pond. The Doctor noted that "Time Lords don't really worry that much about what sex they are." ([[COMIC]]: ''[[Body Snatched (comic story)|Body Snatched]]'') He also mistakenly thought he had regenerated into a woman shortly after his own regeneration. ([[TV]]: ''[[The End of Time (TV story)|The End of Time]]'')
* The [[TARDIS door]]s fly open after the Doctor has regenerated and the TARDIS is malfunctioning. ([[TV]]: ''[[The End of Time (TV story)|The End of Time]]'', ''[[The Eleventh Hour (TV story)|The Eleventh Hour]]'')
* Captain [[Archibald Hamish Lethbridge-Stewart]] mentions Cromer, a place that seemed familiar to [[Alastair Lethbridge-Stewart|the Brigadier]]. ([[TV]]: ''[[The Three Doctors (TV story)|The Three Doctors]]'')
* Shortly before regenerating, the [[Twelfth Doctor]] salutes Captain [[Archibald Hamish Lethbridge-Stewart]], something that [[Alastair Lethbridge-Stewart|the Brigadier]] always wanted the Doctor to do. ([[TV]]: ''[[Death in Heaven (TV story)|Death in Heaven]]'')
* Shortly before regenerating, the [[Twelfth Doctor]] salutes Captain [[Archibald Hamish Lethbridge-Stewart]], something that [[Alastair Lethbridge-Stewart|the Brigadier]] always wanted the Doctor to do. ([[TV]]: ''[[Death in Heaven (TV story)|Death in Heaven]]'')
* The [[glass avatar]] of [[Bill Potts]] mentions that the Doctor "serves at the pleasure of the human race". ([[TV]]: ''[[Thin Ice (TV story)|Thin Ice]]'')
* The [[glass avatar]] of [[Bill Potts]] mentions that the Doctor "serves at the pleasure of the human race". ([[TV]]: ''[[Thin Ice (TV story)|Thin Ice]]'')
* Nardole telling the Doctor that "if he dies then everyone in the universe would go cold", resembles the [[Eleventh Doctor]] telling his old companions [[Sarah Jane Smith|Sarah Jane]] and [[Jo Grant]] that "if he died then he thinks the whole universe might just shiver". ([[TV]]: ''[[Death of the Doctor (TV story)|Death of the Doctor]]'')
* The First Doctor threatens Bill with a "jolly good smacked [[posterior|bottom]]". He previously told [[Susan Foreman]] she also deserved "a jolly good smacked bottom" after her clumsiness inconvenienced him. ([[TV]]: "[[World's End]]")
* The Twelfth Doctor says "Snap" to the First Doctor when revealing that he's his future self, in a similar fashion to when the [[Sixth Doctor|Sixth]] and [[Second Doctor]]s met. ([[TV]]: ''[[The Two Doctors (TV story)|The Two Doctors]]'') The Tenth Doctor also did the same when comparing how similar he was to the Fifth Doctor. ([[TV]]: ''[[Time Crash (TV story)|Time Crash]]'') "Snap" was also a phrase River Song told the Tenth Doctor after showing him [[River Song's sonic screwdriver|her screwdriver]]. ([[TV]]: ''[[Silence in the Library (TV story)|Silence in the Library]]'')
* The First Doctor threatens Bill with a "jolly good smacked [[posterior|bottom]]". He told [[Susan Foreman]] she also deserved "a jolly good smacked bottom". ([[TV]]: ''[[The Dalek Invasion of Earth (TV story)|The Dalek Invasion of Earth]]'')
* The Twelfth Doctor wears his [[sonic sunglasses]] again. ([[TV]]: ''[[The Magician's Apprentice (TV story)|The Magician's Apprentice]]'', et al.)
* The Twelfth Doctor gets concerned when the First Doctor asks what [[browser history]] is. He previously warned [[Osgood]] and Bill not to look at his browsing history. ([[TV]]: ''[[The Zygon Inversion (TV story)|The Zygon Inversion]]'', ''[[Smile (TV story)|Smile]]'')
* The Twelfth Doctor gets concerned when the First Doctor asks what [[browser history]] is. He previously warned [[Osgood]] and Bill not to look at his browsing history. ([[TV]]: ''[[The Zygon Inversion (TV story)|The Zygon Inversion]]'', ''[[Smile (TV story)|Smile]]'')
* The Testimony storing the memories of the dead is similar to the [[APC Net]]. ([[TV]]: ''[[The Deadly Assassin (TV story)|The Deadly Assassin]]'')
* The Testimony storing the memories of the dead is similar to the [[APC Net]], ([[TV]]: ''[[The Deadly Assassin (TV story)|The Deadly Assassin]]'') and the [[Nethersphere]]. ([[TV]]: ''[[Dark Water (TV story)|Dark Water]]'')
* The Doctor has met [[Teselecta|time travellers]] who came at the very last moment of people's lives, although they made it their business to punish them for their crimes in life. ([[TV]]: ''[[Let's Kill Hitler (TV story)|Let's Kill Hitler]]'', ''[[The Wedding of River Song (TV story)|The Wedding of River Song]]'') He has also encountered certain [[Nethersphere|technology]] that could store the dead's memories, claiming to be a [[heaven (afterlife)|heaven]]. ([[TV]]: ''[[Dark Water (TV story)|Dark Water]]'')
* [[Bill Potts|Bill]] has a discussion about the Doctor's future with the [[First Doctor]], in a similar way [[Clara Oswald]] did with the [[War Doctor]]. ([[TV]]: ''[[The Day of the Doctor (TV story)|The Day of the Doctor]]'')
* Bill knows that the Doctor has had different faces. ([[COMIC]]: ''[[The Lost Dimension (comic story)|The Lost Dimension]]'')
* Bill knows that the Doctor has had different faces. ([[COMIC]]: ''[[The Lost Dimension (comic story)|The Lost Dimension]]'')
* The Doctor would land in the city of [[Sheffield]]. ([[TV]]: ''[[The Woman Who Fell to Earth (TV story)|The Woman Who Fell to Earth]]'')
* The Doctor regains his memories of Clara Oswald after seeing her glass avatar. ([[TV]]: ''[[Hell Bent (TV story)|Hell Bent]]'')
* The TARDIS would later be found on the planet [[Desolation]]. ([[TV]]: ''[[The Ghost Monument (TV story)|The Ghost Monument]]'')
* "Clara" is wearing the clothes she died in. ([[TV]]: ''[[Face the Raven (TV story)|Face the Raven]]'')
* The First Doctor tells Bill how his belief that good will always prevail against evil was why he left Gallifrey in the first place. The Eighth Doctor also told Charley a similar sentiment. ([[AUDIO]]: ''[[The Stones of Venice (audio story)|The Stones of Venice]]'')
* Clara Oswald had previously noted that the Doctor failed to fully understand the force for good that he is. ([[TV]]: ''[[The History of the Doctor (TV story)|The History of the Doctor]]'')
* Bill’s glass avatar’s annoyance at the Twelfth Doctor for looking at her and not seeing Bill mirrors his annoyance at Clara for looking at him and not seeing the Eleventh Doctor. ([[TV]]: ''[[Deep Breath (TV story)|Deep Breath]]'')
* The Doctor previously wanted to die in his eighth incarnation, but eventually chose to sacrifice his own needs and become his [[War Doctor|war]] incarnation for the greater good. ([[TV]]: ''[[The Night of the Doctor (TV story)|The Night of the Doctor]];'' [[AUDIO]]: ''[[Light the Flame (audio story)|Light the Flame]]'')
* As early as their [[Second Doctor|second incarnation]], the Doctor knew that the Daleks had also given them the epithet "Ka Faraq Gatri", ([[COMIC]]: ''[[Bringer of Darkness (comic story)|Bringer of Darkness]]'') which translated as "[[Destroyer of Worlds]]". ([[PROSE]]: ''[[Timewyrm: Revelation (novel)|Timewyrm: Revelation]]'')  [[Davros]] also referred to the Doctor as "the Destroyer of Worlds" after the [[Meta-Crisis Tenth Doctor]] destroyed the [[New Dalek Empire]] on the [[Crucible]]. ([[TV]]: ''[[Journey's End (TV story)|Journey's End]]'')
* The Doctor being called the [[Imp]] of the [[Pandorica]] be a reference to the [[Total Collapse Event Incident]]. ([[TV]]: ''[[The Pandorica Opens (TV story)|The Pandorica Opens]]|[[The Big Bang (TV story)|The Big Bang]]'')
* The Doctor was referred to as "the Oncoming Storm" by the [[Draconian|Draconians]], ([[PROSE]]: ''[[Love and War (novel)|Love and War]]'') himself ([[PROSE]]: ''[[Vampire Science (novel)|Vampire Science]]'') and in "the ancient legends of the [[Dalek]] [[Skaro|homeworld]]". ([[TV]]: ''[[The Parting of the Ways (TV story)|The Parting of the Ways]]'') [[Rose Tyler]] called the [[Tenth Doctor]] by the "Oncoming Storm" when she and [[Mickey Smith]] were being prepared for dissection by the [[Clockwork Droid|Clockwork Droids]]. ([[TV]]: ''[[The Girl in the Fireplace (TV story)|The Girl in the Fireplace]]'') The Tenth Doctor later introduced himself as the "Oncoming Storm" to a [[Dalek (Prisoner of the Daleks)|Dalek]] aboard of the ''[[Wayfarer]]'', ([[PROSE]]: ''[[Prisoner of the Daleks (novel)|Prisoner of the Daleks]]'') and referred to the title when confronting a [[rabbit]] he thought was a [[Zygon]]. ([[TV]]: ''[[The Day of the Doctor (TV story)|The Day of the Doctor]]'') The Eleventh Doctor began calling himself the "Oncoming Storm" when he misinterpreted [[Sean (The Lodger)|Sean]]'s request to help the [[King's Arms, Colchester|King's Arms]] team "annihilate" another team at a match. ([[TV]]: ''[[The Lodger (TV story)|The Lodger]]'') He later referred to the title when the [[Parliament of the Daleks]] forgot him. ([[TV]]: ''[[Asylum of the Daleks (TV story)|Asylum of the Daleks]]'')
* Being called the Shadow of [[the Valeyard]] be a reference to the Doctor confronting him in his [[Sixth Doctor|sixth]] ([[TV]]: ''[[The Ultimate Foe (TV story)|The Ultimate Foe]]'') and eighth incarnations. ([[TV]]: ''[[The War Valeyard (audio story)|The War Valeyard]]'')
* "The Beast of [[Trenzalore]]" refers to the Eleventh Doctor's part in the [[Siege of Trenzalore]]. ([[TV]]: ''[[The Time of the Doctor (TV story)|The Time of the Doctor]]'')  
* "The Butcher of [[Skull Moon]]" refers to a major battle of the War Doctor during the [[Last Great Time War]]. ([[PROSE]]: ''[[The Day of the Doctor (novelisation)|The Day of the Doctor]]''; [[TV]]: ''[[Hell Bent (TV story)|Hell Bent]]'')
* "The Destroyer of [[Skaro]]" refers to the [[Seventh Doctor]] destroying the Dalek Homeworld during the [[Shoreditch Incident|Hand of Omega Incident]]. ([[TV]]: ''[[Remembrance of the Daleks (TV story)|Remembrance of the Daleks]]'')
* [[TV]]: {{cs|The Woman Who Fell to Earth (TV story)}} picked up directly from the ending of this story from the Doctor's perspective, notwithstanding [[PROSE]]: {{cs|Things She Thought While Falling (short story)}} giving a glimpse into the [[Thirteenth Doctor]]'s inner monologue ''as'' she fell.
* The Thirteenth Doctor would later describe herself as "brilliant" in [[PROSE]]: {{cs|Meet the Crew (feature)}}, echoing her first word in this story.


== Home video releases ==
== Home video releases ==
=== DVD releases ===
=== DVD releases ===
A stand-alone DVD was released on [[22 January (releases)|January 22nd]], [[2018 (releases)|2018]].
A stand-alone DVD was released in region 1 on [[13 February (releases)|13th February]], [[2018 (releases)|2018]], in region 2 on [[22 January (releases)|January 22nd]], 2018 and in region 4 on [[7 February (releases)|February 7th]], 2018.


=== Blu-ray releases ===
=== Blu-ray releases ===
A stand-alone DVD was released on January 22nd, 2018 with special features including a recording of the Doctor Who panel at San Diego Comic-Con 2017.
A stand-alone Blu-ray was released on the same dates in all markets as the DVD. The Blu-ray has special features including a recording of the Doctor Who panel at San Diego Comic-Con 2017.
 
=== 4K Ultra HD Blu-ray releases ===
This story was released on Ultra HD Blu-ray in the UK on [[24 September (releases)|September 24th]], 2018, in Australia on [[25 September (releases)|September 25th]], 2018 and in North America on [[17 October (releases)|October 17th]], 2018. It is the first ''Doctor Who'' story to be released on the format. The story was not shot in 4K and so was upscaled, however this release makes use of HDR colour depth not available on the DVD and Blu-ray releases. It contains the same special features as the standard Blu-ray release, which is also included as a separate second disc.
 
The US release came on [[2 October (releases)|October 2nd]], 2018. It is notable for using the 2018 version of the logo on the cover art rather than the version used during Capaldi's tenure as the Doctor. The disc contents are identical to the UK release (including an FBI warning, included on the UK pressing of the disc).


=== Digital releases ===
=== Digital releases ===
''to be added''
 
* In the United Kingdom, this story is available on [[BBC iPlayer]] as part of Series 10.


== External links ==
== External links ==
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Latest revision as of 18:07, 4 July 2024

This article needs a big cleanup.

The introduction, and possibly other parts of the page, need to be updated in light of Gold and Moffat both since returning to the series.

These problems might be so great that the article's factual accuracy has been compromised. Talk about it here or check the revision history or Manual of Style for more information.

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Twice Upon a Time was the 2017 Christmas Special of Doctor Who. It was the show's thirteenth Christmas special since its revival and the fourth starring Capaldi as the Doctor. It was also the final chronological appearance of Peter Capaldi as the Twelfth Doctor and introduced Jodie Whittaker as the Thirteenth Doctor in its closing moments.

After a surprise appearance at the end of The Doctor Falls [+]Loading...["The Doctor Falls (TV story)"], the First Doctor was an integral part of the special's narrative. Here, he was portrayed by David Bradley, who had previously played the original actor William Hartnell in An Adventure in Space and Time. Archival footage from The Tenth Planet [+]Loading...["The Tenth Planet (TV story)"] was used to bookmark the First Doctor's place in this story, with Twice Upon a Time retroactively inserting one final adventure for the First Doctor before his regeneration, as well as explaining his absence after leaving Ben and Polly during the last episode of The Tenth Planet.

Speaking of which, Ben Jackson and Polly Wright made a brief re-reappearance in the programme for the first time since their exit in 1967's The Faceless Ones. Bill Potts joined the two Doctors as a Testimony glass avatar. Past companions Nardole and Clara Oswald made similar brief appearances. Rusty, from Capaldi's second episode, Into the Dalek [+]Loading...["Into the Dalek (TV story)"], made his second appearance in Villengard, a location mentioned only once before on television, in Steven Moffat's second television story, 2005's The Doctor Dances [+]Loading...["The Doctor Dances (TV story)"].

It's also worth noting that Twice Upon a Time marks the first time two different incarnations of the Doctor were seen regenerating in the same episode; with the First Doctor's regeneration into the Second Doctor shown briefly before the special ends with the Twelfth Doctor regenerating.

In early 2018, Murray Gold announced his departure from Doctor Who after twelve years at the Gallifrey One convention, confirming that Twice Upon a Time was his last episode. It was also the final story with Steven Moffat as head writer and the first to include any part written and overseen by incoming lead writer, Chris Chibnall.[1]

While not known at the time, this would also turn out to be the last consecutive Christmas special of the revived series, breaking the streak that began with The Christmas Invasion [+]Loading...["The Christmas Invasion (TV story)"] in 2005. The show would forgo its usual Christmas special in 2018 in favour of a New Year Special at the beginning of 2019. The New Year's Day broadcasts continued from 2019 to 2022, before Christmas specials returned with The Church on Ruby Road [+]Loading...["The Church on Ruby Road (TV story)"], which aired on 25 December 2023.

Synopsis[[edit] | [edit source]]

As the Doctor nears regeneration, he stumbles on his original self, also refusing to change. It takes a captain, a glass avatar and a familiar face to convince the Doctors the universe still needs them.

Plot[[edit] | [edit source]]

The First Doctor nears his end after an encounter with Mondasian Cybermen. He is freed from his restraints by his companions Ben and Polly, now that the threat is over. However, he is weak, his body beginning to regenerate. Refusing to give in, the Doctor leaves and wanders the South Pole, mumbling to himself that he will not change out of cowardice. Nearing his TARDIS, he hears a voice in the distance yelling in defiance. Seeing a figure kneeling outside his TARDIS, the Doctor asks who the man is. The man claims to be the Doctor. With a smug sense of superiority, the First Doctor tells the man that's not true; "you may be a doctor, but I am the Doctor. The original, you might say."

The scene transitions to the Twelfth Doctor as he gets to his feet, shocked to see his past self. The Doctor is delighted at meeting his first incarnation but realises that he is refusing to regenerate; he panics as he doesn't remember refusing to regenerate the first time or meeting himself. The First Doctor is confused and dismisses his future self as just another Time Lord; he asks if he has come to take back "the ship". The Twelfth Doctor laughs in amusement that his original incarnation still calls the TARDIS "the ship".

The First Doctor then asks what the Twelfth has done to the TARDIS, as it's bigger than it used to be. The Twelfth Doctor tells him its from "all those years of being bigger on the inside. You try sucking your tummy in that long", defending his beloved vessel. The Twelfth Doctor questions why his younger self is refusing to regenerate, with the First Doctor lies he has courage, and more importantly the right to live and die as he is now. The Twelfth Doctor tells him it's already too late, explaining to the First Doctor that moments ago he was weak but is now suddenly fine, the First as well as the Twelfth Doctor are currently in a "state of grace" but that it won't last forever as both Doctors need to make a choice: choose to regenerate and continue with their lives, or die as they are now. A dreadful realisation suddenly hits the Twelfth Doctor: if his first incarnation refuses to regenerate and dies now, then all of the things he would do in the future would never happen. However, as the Twelfth Doctor tries explaining this realisation to the First Doctor, as he fears what consequences this decision might cause, the snow around them suddenly freezes in midair, capturing the pair's attention, as a man dressed in World War I attire approaches them. He seems disorientated and asks the pair if either of them are a doctor. Exchanging a glance with the First Doctor, the Twelfth asks if the man is making some sort of joke.

The worn torn battlefield in Ypres, 1914.

On Christmas Day 1914, the soldier, a captain in the British Expeditionary Force, lies in a shell hole on the battlefield in Ypres. His revolver is aimed at a German soldier, who also has his sidearm trained on the Captain. Both men realise they will kill each other in self-defence, their respective troops far away in their trenches, unable to assist either of them. Just as the Captain prepares to accept his fate and fire, a wave of energy flows through the field, freezing everything around him. As he exits the hole, a bright light suddenly flashes and encapsulates him. He collapses to the ground in the Antarctic and hearing the two Doctors discussing the static snow, he approaches them.

The scene once more shifts back to the Twelfth Doctor's perspective. A portal of light opens in the distance, and the two Doctors approach it. The First Doctor orders the portal to reveal itself, while the Twelfth Doctor declares that the planet is protected, to the confusion of his first incarnation. However, the light quickly vanishes, surprising the Twelfth Doctor as "that almost never works." The First Doctor returns to the Captain, telling him to enter his TARDIS, and the Twelfth Doctor coaxes him to follow. As they enter, the First Doctor is shocked by the changes to the TARDIS interior, while the Captain is shocked by the room's size. The Twelfth Doctor pulls the monitor over to the First Doctor, telling him his TARDIS is 70 feet away; he then tells him to always remember where he parks as it gets important later. The Captain is taken aback and astonished by the TARDIS.

The First Doctor demands his identity, to which the Twelfth says not to be an idiot as they always know when they meet each other. However, the First Doctor states he does not know, prompting the Twelfth Doctor to show him his hand glowing with regeneration energy. The First Doctor finally realises and accepts that the Time Lord in front of him is indeed the Doctor, his future self, and asks if the Twelfth is his next incarnation, to which the Twelfth says is not the case; he'll become him eventually, "after a few false starts" the Twelfth says with a grin. The First Doctor is confused however, as he thought he would get younger when he regenerated, to which the Twelfth snaps that he is younger than the First Doctor. The Captain interrupts, stating he does not understand what's happening, while examining a VHS tape. The Twelfth Doctor says that's understandable for a soldier from World War I being chased through frozen time by an unknown force. The Captain is at first confused, the Doctor first believes it's because he was able to correctly assume which World War the Captain fought in by looking at his uniform, until the Captain corrects the Doctor, becoming disturbed upon hearing the Doctor refer to the Great War as the first world war rather than just the Great War, the Captain asks the Doctor what he meant by that; the Doctor, realising what he said apologises and simply tells him "spoilers".

The First Doctor notices the Captain's unease, telling the soldier to sit down and orders the Twelfth Doctor to fetch some brandy. He does so, and the First Doctor notices that there is less in the glass than he remembered. The Twelfth Doctor tells him that it's been "rock and roll" over the last 1500 years, so he's entitled to have a glass to steady his nerves. The First Doctor examines the control room, noting that the Twelfth no longer has Polly around since it's so dusty; the Twelfth Doctor begs him to stop saying things like that as it is insulting to women. The First Doctor then notices the Twelfth's electric guitar and amp, which the Doctor tries to pass off as something a companion left behind. However, the First Doctor notes that it is the only thing in the control room that's not covered in dust, making it the Twelfth Doctor's possession.

Suddenly, the TARDIS shakes violently, prompting the Twelfth Doctor to attempt to take off, only to find that the engines are unresponsive. Looking upwards out of the TARDIS doors, he sees large metal claws pulling the TARDIS upwards. Once the TARDIS has stopped moving, the Twelfth Doctor instructs his predecessor to confront their captors. A humanoid glass figure seated at the top of a staircase speaks to the Doctor, addressing him as "The Doctor of War." The figure requests the return of the Captain in exchange for a friend of the Doctor. Much to the confusion of the First Doctor, Bill then exits one of the corridors. The Twelfth Doctor quickly exits the TARDIS to hug her, before slowly pulling away, drawing his sonic screwdriver, and scanning Bill. To her surprise, the Twelfth Doctor demands that she proves herself to be real, as he believes Bill to have sacrificed herself to defeat the Cybermen. Bill insists she is her real self, explaining how Heather had saved her. The Twelfth Doctor asks what happened after Heather saved her and where Heather is now. Bill struggles for an answer.

"Indoors?"

The Twelfth Doctor decides to confront his captor directly and runs up the staircase. He is slowly followed by his younger self, who questions the need to move so fast. They find an empty chair with several panels behind it. The First Doctor takes to observing the panels, commenting on their extraterrestrial origin. He turns to his older self, his eyeglass dropping from his eye as he notices the Twelfth Doctor wearing sunglasses to scan the panels. He is utterly perplexed by the idea that the sunglasses are sonic. They turn to the chair, where a woman made completely of glass materialises. While the Twelfth Doctor scans the panels with his sonic screwdriver, the original Doctor looks more closely. He berates the Twelfth Doctor for not noticing the asymmetrical features of the woman's face, blaming his use of the sunglasses instead of his eyes. The Twelfth Doctor shyly agrees, and his younger self throws the sunglasses to the ground.

The Testimony proceeds to explain its desire for the Captain back in exchange for Bill, insisting the Doctors return him to them. The Captain, having heard the conversation, exits the TARDIS. He declares they let him be taken, not wanting any harm to come to Bill because of his cowardice. However, the Twelfth Doctor disagrees. Picking up his sonic sunglasses, he races down the stairs, remarking he will find out what the Testimony's purpose is and he will stop it if he doesn't like it. The First Doctor once more berates him for revealing his plan, stating he hasn't a clue who his future self is supposed to be. The Testimony, in an effort to ruffle the First Doctor, reveals the history he is destined to create as a "Doctor of War" by showing how his future incarnations will engage in various battles, which perplexes him.

The Doctors, Bill, and the Captain escape the Testimony

The Twelfth Doctor presses on with his plan to escape, using the sonic screwdriver to activate the crane which pulled the TARDIS up to take them down, the team jumping onto the chains to escape as well. The Testimony refuses to let them escape, halting the chains and pulling the TARDIS back into the ship. However, as they are a safe distance from the ground, the Twelfth Doctor instructs everyone to jump to the ground. Bill expresses concern about what they will do without the TARDIS but the Doctors reveal they have another, younger version at their disposal.

They head to the First Doctor's TARDIS, swiftly entering. As she does so, Bill comments on how much smaller it is, causing the Twelfth Doctor to briefly observe the windows before insisting his younger self take off into "deep space, anywhere". While in flight, the First Doctor insists Bill clean the TARDIS only for the Twelfth Doctor to distract him by pointing out the astral map. The Twelfth Doctor uses the sonic sunglasses to access the data banks noting what his predecessor said earlier before placing the shades on the First Doctor. Befuddled, the First Doctor asks why he must wear them, only for his successor to remark on how much he loves them and tells him to never take them off. The First Doctor asks why there is an option on the glasses called Browser History, causing the Twelfth Doctor to grab the sunglasses and throw them across the TARDIS.

The Twelfth Doctor pilots his younger self's TARDIS.

The Twelfth Doctor quickly realises the databanks are rather scarce, given the TARDIS is still young. To compensate, he lands the TARDIS at the centre of the universe, Villengard, impressing his younger self at how easily he did such. While searching the area, the Captain is attacked by a creature with multiple little green legs but they save him, both Doctors recognising the creature as a Kaled mutant. The Twelfth Doctor insists Bill wait in the First Doctor's TARDIS to look after the Captain, but Bill blasts him by calling him a "stupid bloody arse", leading to the First Doctor to threaten her with a "jolly good smacked bottom", much to the Twelfth Doctor's embarrassment. Bill tells the Twelfth Doctor to come back alive, to which he replies, "Be here when I do."

The First Doctor fetches the Captain another brandy, realising that was why his successor was missing some. He soon leaves to join his older self, while Bill looks after the Captain, but when she grabs the brandy, her hand is revealed to be glass. While outside on Villengard, the two Doctors rest, discussing their respective regenerations. The Twelfth Doctor remarks they have yet to change because they are in a "state of grace", though he himself finds his body starting to deteriorate. He asks why his younger self halted the regenerative process, unable to remember himself. The First Doctor admits he is "afraid" of regenerating and doesn't like to admit that to anyone. The Twelfth Doctor remarks that technically he still hasn't. Before the Twelfth Doctor can answer the question himself, they suddenly come under attack from a creature in a nearby tower, and only stops when the Twelfth Doctor asks the creature to scan him, announcing; "I'm dying!", before going into the tower. He tells his younger self to wait outside to which he begrudgingly agrees.

The First Doctor observes the area, finding the remains of a Dalek casing. He inspects it as Bill sneaks up on him and begins asking why he ran away. The Doctor insists she return to the Captain but Bill insists, asking what he was running to. Interested by the question, the First Doctor responds that he left to discover why good always defeats evil. Bill suggests it might be because of "some bloke" though the First Doctor doubts such. Bill hugs him, thanking him for his efforts. However, when she pulls away, the First Doctor realises she is a glass avatar.

Alone, the Twelfth Doctor meets with the rogue Dalek Rusty, who has taken refuge from the other Daleks hunting it. He remarks on how he is a "good Dalek" though Rusty continues to fire at the Doctor. The Twelfth Doctor decides to come to a truce to which Rusty agrees by disarming his gunstick. Given access to the Dalek Hivemind, the Doctor learns that the pilot and its ship, known as Testimony, were created on New Earth, designed to extract people from their timelines at the moment of their death, and archive their memories into glass avatars. "Bill" is one such avatar, created from her memories. Time suddenly freezes again, the First Doctor and Bill entering the room. Although disappointed at seeing no evil to fight, the Doctors agree to return the Captain to his timeline.

Upon doing so, the Captain asks the Doctors to keep an eye on his family, introducing himself as Archibald Hamish Lethbridge-Stewart, an ancestor of the Doctor's close friend the Brigadier. The First Doctor assures he will do so, the Twelfth Doctor confirming they did. The Testimony remarks the Captain will not remember the incident and a perception filter will ensure the Doctors are not noticed once time restarts. As time resumes, the Doctors watch as soldiers on both sides begin singing "Silent Night" in their respective languages. Soon, each side disarms their weapons and enters the battlefield, leading the Captain and the German soldier to withdraw their weapons and make peace. The Twelfth Doctor explains to the First that he deliberately shifted the Captain's timeline to the start of the Christmas truce, to ensure his life would be spared. The First Doctor is amazed at the fact that his successor altered time to save both men, leading the Twelfth Doctor to describe the truce as a miracle; the only truce of its kind in history. How everyone at war stopped fighting and was kind to each other. He also explains how "generally the universe isn't a fairy tale, but that's where we come in" and that "it never hurts, a couple fewer dead men on a battlefield." This causes the First Doctor to finally understand what being the "Doctor of War" really means.

With the Captain saved, the two Doctors observe the truce for a time and eventually shake hands. As they do, both Doctors' hands start glowing with regeneration energy. The First Doctor declares that he is finally ready, but the Twelfth Doctor states that his predecessor will have to find out what the Twelfth Doctor decides to do "the long way round." The two Doctors bid each other a fond farewell. The First Doctor returns to his TARDIS and sets the controls to return him to the South Pole in 1986. Overcome by his regeneration, the First Doctor declares "here we go, the long way round" and collapses as his TARDIS returns to the South Pole. Shortly afterwards, Ben and Polly find and manage to enter the TARDIS and witness the First Doctor as he is for the last time as he regenerates into his second incarnation right before their eyes.

As the soldiers play football, draw and spend the day together, the Twelfth Doctor watches on, saluting the Captain - who briefly bypasses the perception filter, but dismisses him and returns to his trench. Now alone with Bill's avatar, the Doctor adamantly contends she is not the genuine Bill, only for her avatar to explain that memories are what define a person. To help him understand, the avatar restores the Doctor's memories of Clara Oswald then turns into her. Clara greets the "stupid old man", telling him that it was quite rude of him to forget her in the first place. The Doctor laughs with joy that she's back in his head. Clara reverts back to Bill, who asks the Doctor if he now understands the importance of memory. They are joined by Nardole's avatar who joins Bill in asking the Doctor not to allow himself to die. The Doctor refuses to give the avatars testimony of his life, stating he must be left alone to face his end. They respect his wish and leave after he embraces them both.

The Doctor returns to the TARDIS. He laments how the more he saves the universe, the more it seems to be in need of saving. He briefly argues with the TARDIS, conceding that "they would get it all wrong without me" as he decides to regenerate, saying "One more lifetime won't kill anyone. Well, except me", but not before relaying advice to his next incarnation. He collapses as he does so but manages to return to his feet. Finally ready, the Twelfth Doctor utters his last words "Doctor... I let you go". With that, he takes a last quick gasp for air before he regenerates, the process so violent that the energy ignites the console room as his gaunt face and piercing blue eyes start changing, morphing into a younger-looking and rounder one with hazel eyes.

The Doctor regenerates.

Smoke fills the console room and the Twelfth Doctor's wedding ring falls from a finger it no longer fits. Once the smoke clears, the Thirteenth Doctor stands in silence for a moment, before grabbing one of the console's monitors. Using its reflective surface, she studies her new appearance in stunned wonderment, realising that she has now become female for the first time. Her face cracks into a wide, ecstatic grin as she exclaims "Oh, brilliant!" at the discovery. Excited, she presses a button on the console. Upon doing so, the TARDIS suddenly suffers multiple failures and, hanging thousands of feet above the Earth, sharply jerks causing the doors to face the ground. The Doctor tries to hang on but the doors open, threatening to suck her out. As the Doctor grabs the console, the ship continues to shake, sending all of her books and papers flying out the open doors. The Doctor tries to close the doors, but the time rotor shatters and the panel she's holding onto breaks away, sending her falling out of the ship. In freefall towards the Earth below, the Doctor watches the inside of her TARDIS become swamped by flames before vanishing from sight as she plummets through the clouds...

TO BE CONTINUED

Cast[[edit] | [edit source]]

And Introducing Jodie Whittaker as The Doctor

The Tenth Planet[[edit] | [edit source]]
Uncredited[[edit] | [edit source]]

Crew[[edit] | [edit source]]

General production staff

Script department

Camera and lighting department

Art department

Costume department

Make-up and prosthetics

Movement

Casting

General post-production staff

Special and visual effects

Sound



Not every person who worked on this adventure was credited. The absence of a credit for a position doesn't necessarily mean the job wasn't required. The information above is based solely on observations of the actual end credits of the episodes as broadcast, and does not relay information from IMDB or other sources.
          

• The Tenth Planet was written by Kit Pedler and Gerry Davis •


Uncredited crew[[edit] | [edit source]]

Worldbuilding[[edit] | [edit source]]

Culture[[edit] | [edit source]]

Technology[[edit] | [edit source]]

Biology[[edit] | [edit source]]

Food and beverages[[edit] | [edit source]]

Art[[edit] | [edit source]]

Sport[[edit] | [edit source]]

People[[edit] | [edit source]]

Species[[edit] | [edit source]]

  • The First Doctor asks the Twelfth Doctor, not realising he's talking to his future self, if he is another Time Lord.
  • The Twelfth Doctor says the First Doctor was "weak as a kitten" when he started regenerating.
  • A bird freezes mid-air.
  • Glass avatars, part of the Testimony, are creatures with the ability to freeze time and extract memories and personality of a dying person so they will remain forever.
  • The TARDIS team encounters Dalek mutants which have mutated even further. The Captain first thinks they are rats, saying he is used to those.

Locations[[edit] | [edit source]]

Events[[edit] | [edit source]]

The Doctor[[edit] | [edit source]]

  • Due to the timelines being out-of-sync, the Second Doctor will forget about trying not to regenerate and so the Twelfth Doctor does not remember it.
  • The First Doctor's face is, according to the Twelfth Doctor, "all over the place" as a result of him trying to hold off his regeneration. This also results in him regaining the strength he had lost during his fight with the Cybermen on Snowcap.
  • The First Doctor doesn't know who his future self is, and keeps denying it even after the Twelfth Doctor reveals himself to him. Only after the Testimony shows him snippets of his future does he finally give in and accept it.
  • The First Doctor first thinks the Twelfth Doctor is another Time Lord trying to capture him for running away with a TARDIS.
  • The First Doctor later attempts to make the Captain understand better, saying that the Twelfth Doctor is his nurse, however improbable due to him being a man.
  • The Twelfth Doctor calls the First Doctor Mister Pastry, Mary Berry, and Corporal Jones.
  • The Doctor is called "The Destroyer of Worlds", "The Imp of the Pandorica", "The Oncoming Storm", "The Shadow of the Valeyard", "The Beast of Trenzalore", "The Butcher of Skull Moon", "The Last Tree of Garsennon", "The Destroyer of Skaro" and "the Doctor of War".
  • The Twelfth Doctor attempts to distract the First Doctor with the blinking lights on his astral map after his unfavourable remark to Bill about the Twelfth Doctor needing her for cleaning his TARDIS.
  • The double-breasted blazer of plum purple velvet that the Third Doctor wore on his trip to Spiridon is hanging in the Twelfth Doctor's TARDIS.
  • The Twelfth Doctor's ring falls off the Thirteenth Doctor's hand, as it doesn't fit on her finger.

TARDIS[[edit] | [edit source]]

  • The First Doctor calls the TARDIS "the Ship", much to the Twelfth Doctor's nostalgic joy.
  • The First Doctor disapproves of the Twelfth Doctor's TARDIS, saying about the console room that it is "the flight deck of the most powerful space-time machine in the known universe, [it's] not a restaurant for the French".
  • The Twelfth Doctor still has blackboards in his TARDIS.
  • Bill remarks the windows on the First Doctor's TARDIS exterior are the wrong size.
  • The First Doctor's TARDIS has a name tag on the console that says Bernard Wilkie.
  • The Cloister Bell rings in the Twelfth Doctor's TARDIS before he regenerates.
  • The Twelfth Doctor's TARDIS interior ends up exploding due to "Multiple Operations Failures" after the Thirteenth Doctor causes a "Systems Crisis" by clicking a red button on the console. The exploding TARDIS throws the Doctor out as it dematerialises.

Music[[edit] | [edit source]]

  • The British soldiers sing "Silent Night" and the German soldiers sing the German version, known as "Stille Nacht".

Story notes[[edit] | [edit source]]

  • Though brief, this was the debut performance for Jodie Whittaker as the Thirteenth Doctor. Her scene was written by the incoming showrunner Chris Chibnall.[1]
  • The cinematic, DVD and Blu-ray releases featured two documentaries: The End of an Era, a retrospective and behind-the-scenes look, before the showing, and Twice Upon a Time at the end, an in-depth look into the making of the Christmas special.
  • Twice Upon a Time features a "Previously on Doctor Who..." sequence saying "709 Episodes ago" and showing footage from The Tenth Planet with William Hartnell, Anneke Wills and Michael Craze as the First Doctor, Polly Wright and Ben Jackson respectively. This scene makes use of two aspect ratios. The footage reframes from 4:3 black-and-white to 16:9 colour, slowly morphing Hartnell into David Bradley, and Lily Travers and Jared Garfield then appear as Polly and Ben, re-enacting missing segments on Snowcap from said episode. Following the First Doctor's return to his TARDIS, the episode briefly goes back to 4:3 black-and-white after Bradley's Doctor is seen lying on the floor unconscious, cutting to the original regeneration from Hartnell into Troughton, and visually bookending the First Doctor's involvement in the narrative.
  • This story features a rare instance in which actors that only appeared through use of archive footage were also credited. Another notable instance of this happening is The Day of the Doctor. William Hartnell's credit has been changed from "Dr. Who" to "The Doctor."
  • Rachel Talalay had actually shot a number of scenes from The Tenth Planet, with a complete set reconstruction, recast characters, and the series 10 Mondasian Cybermen. She said in an interview that she tried to make both the set, and the cinematography, as accurate to the original scenes, and original production values, as much as possible. She did admit to having fun with some parts of the set in particular, and embellishing with a "60s feel", and noted that some details of the action had to be invented. These scene recreations were not used in the final edit of Twice Upon a Time; the original footage was used in its place. However, these specially shot re-tellings were shown in the cinema feature Twice Upon a Time.[3]
  • The First and Twelfth Doctors meeting also features the scene acted out differently in TV: The Doctor Falls and Twice Upon a Time, similar to how episodes in the 60s reshooting the prior scene's cliffhanger, often resulting in little differences. The same situation also occurred when TV: The Runaway Bride followed the Doomsday cliffhanger 11 years prior.
  • The recreated Hartnell TARDIS interior set actually included props from the original set in the 1960s. As told by Mark Gatiss, these included the brass pillars, which are indeed the brass pillars from way back in 1963. Other aspects of the set were recreated.[3]
  • The Twelfth Doctor's regeneration has a new visual effect, and even sound effect, to those used previously in the BBC Wales series. Resembling slow travelling, elongated golden lightning. It is the first regeneration for the Doctor, since the Seventh Doctor's in 1996, to use an effect which is visually distinct from that seen in The Parting of the Ways, with the Ninth Doctor up to The Doctor Falls.
  • Toby Whithouse, with his performance here as the German soldier, is the fifth person to have both written for and acted in Doctor Who. The others being Victor Pemberton, Derrick Sherwin, Glyn Jones and Mark Gatiss. Though Whithouse and Gatiss are the only two who have written and acted in the revived series and are the only two to have written multiple stories. Gatiss and Whithouse were the most prolific writers during Steven Moffat's time as showrunner after Moffat himself.
  • Mark Hedges, 1st assistant director, last worked on a DWU programme on Invasion of the Bane, the very first episode of The Sarah Jane Adventures in 2007. Gareth Meirion Thomas, sound recordist, last worked on Torchwood: Miracle Day in 2011. This was the first, and so far only, Doctor Who credit for both crew members.
  • This is the third consecutive regeneration story to include the word "time" in the title, following The End of Time and The Time of the Doctor.
  • Nikki Amuka-Bird is credited as "Helen Clay" on-screen, and as "The Glass Woman" in Radio Times.
  • When Bill's glass avatar and the Doctor talk and she restores his memories of Clara Oswald, the music from The Husbands of River Song when the Doctor and River were on a date before the Singing Towers of Darillium plays.
  • On the last day of filming, Mark Gatiss brought in the jacket that Jon Pertwee wore in TV: Planet of the Daleks. It was featured hanging from a stand in the background in the Twelfth Doctor's TARDIS during the regeneration scene.[4] He also published a Behind the scenes picture of Capaldi wearing the jacket.[5]
  • Nardole having invisible hair was already jokingly stated by Steven Moffat in a BBC post-episode interview. There he also stated that Nardole was the only one able to see it through his glasses and that it was purple.[6] Matt Lucas had been aware of the invisible hair, but not the glass nipples.[3]
  • The Twelfth Doctor's final lines about his name and how humans would understand it are directly taken from a theory Capaldi stated at a press screening interview of The Pilot.[4]
  • The Twelfth Doctor's line "never, ever eat pears" is a tweaked version of the one in a hidden scene in TV: Human Nature by the Tenth Doctor. It was also said in TV: Hell Bent by the Twelfth Doctor.
  • This is the first regeneration story in the revived series without any direct connections to the Last Great Time War.
  • Jenna Coleman's appearance had to be recorded separately as she was too busy working on Victoria. She shot her scene in front of a green screen at the Top Gear office.[7]
  • For the First Doctor's TARDIS, the wall with photographs of roundels was replaced with the wall behind the Curator from The Day of the Doctor.[8]
  • When the Doctor's ring falls off her finger, only the secondary band of the ring was in the shot. This was because the first band of the ring was Peter Capaldi's wedding ring.
  • This is the first multi-Doctor story to explicitly take place during a previously broadcast TV story from the earlier Doctor's perspective, though footage from the unbroadcast serial Shada was used in TV: The Five Doctors.
  • This was the last episode contributed to by production designer Michael Pickwoad before the announcement of his death in August 2018.
  • This episode was originally not going to be made. The Twelfth Doctor's regeneration was meant to finish in TV: The Doctor Falls but Chibnall didn't want to start his run with a Christmas special. Worried that Doctor Who might lose its Christmas slot, Moffat convinced Peter Capaldi to do the Christmas special.[9]
    • Despite so, Chibnall did not use the Christmas slot the subsequent year, opting for a new-years special instead.[10]
  • Moffat wondered how the First Doctor's clothes fit on the Second Doctor post-regeneration.[source needed]
    • In The Power of the Daleks, it is shown that the Doctor's outfit somehow changed, suggesting that the Doctor is capable of involuntarily regenerating his clothes.

Ratings[[edit] | [edit source]]

  • 5.70 million (UK overnight)[11]
  • 7.92 million (UK final) [12]
  • 1.15 million (BBC America overnight)[13]
  • 2.2 million (BBC America final)[14]

Filming locations[[edit] | [edit source]]

to be added

Production errors[[edit] | [edit source]]

If you'd like to talk about narrative problems with this story — like plot holes and things that seem to contradict other stories — please go to this episode's discontinuity discussion.
  • Bill's shirt changes constantly throughout the entire episode, from the rainbow shirt that was seen in Smile, to a new shirt which we have not seen before.
    • However, this could be attributed to the fact that this version of Bill is a collection of her memories and not her physical self.
  • Nikki Amuka-Bird fluffs a line: “Step out of the caps-ul.” She should have said “Cap-sule.”
  • When examining the glass woman, the Twelfth Doctor’s right hand is in line with his waist. Next shot and his hand is down his side. In the next shot, his left hand is next to his waist.
  • When the Captain is taken from the World War One battlefield he has his revolver in his hand. After he falls to the ground at the South Pole, the gun is in his holster and he has to draw it again.
  • A few times throughout the episode, the doors of the first Doctor's TARDIS open as he approaches them even though he didn't operate the door control on the console.
  • After the Captain requests a favour from the Doctors, the First Doctor can be heard saying "Oh, anything. Name it," but his mouth is not actually moving after the word "oh."
  • In the Christmas scene on the battlefield, fire is seen in several places. In the shots where objects are in front of the fire, the smoke is seen to rise in front of the object, despite the fire being behind.
  • When the medics run with the stretcher, it is brown and has a large stain on it. But when the soldier is on it, it changes to black.
  • During the scene in which the soldiers are playing football, the shot is flipped. This is visible due to the soldier's uniforms.
  • Before stepping in to the TARDIS to regenerate, the Doctor is seen wearing black and blue running shoes. In the next shot where he's in the TARDIS, he is wearing his usual black boots.
  • In the original episode of The Tenth Planet, the First Doctor regenerates with Ben and Polly at his side. In this episode, he regenerates alone.
  • The Twelfth Doctor begins regeneration with his back to the stairs, but immediately following regeneration, the Thirteenth Doctor is standing at a different angle and is further away from the stairs.
  • When the Doctor catches herself from falling through the TARDIS doors with her foot, her boot briefly changes to a different shoe.
  • In the shot where the Doctor falls through the TARDIS doors, the bottom-right section of wall has clearly been digitally extended on the last frame.

Myths[[edit] | [edit source]]

  • The Twelfth Doctor would be killed. The Twelfth Doctor was killed in the previous story, he just refused to regenerate then.
  • Because the opening was set in the events of The Tenth Planet, Cybermen would appear. Although this was technically true, they only appeared through the use of archival footage from said story.
    • A full recreation of several scenes were originally filmed for this purpose.
  • Carole Ann Ford would return as Susan Foreman. This was proven false.
  • The Captain would turn out to be Gilbert MacKenzie-Trench, the man who created the iconic police box design. The Captain was revealed to be Archibald Hamish Lethbridge-Stewart, an ancestor of the Brigadier.
  • The Doctor would regenerate while falling. The Doctor fell out of the TARDIS after regenerating instead.
  • According to the Daily Mirror, this story would see the last day of the Time War from the perspective of the First Doctor and the Twelfth Doctor. This was proven false.
  • Matt Smith would return as the Eleventh Doctor. This was proven false, although archive footage was used of all of the Doctor's incarnations up to the Twelfth by the Testimony to prove to the First Doctor that the Twelfth Doctor was indeed his future incarnation.
  • The videotape prop of "The Daleks' Master Plan 1-12" was a real domestic videotape recording of all twelve episodes loaned to the crew by a film collector. While it is possible missing episodes could exist on off-air videotape cassette recordings, this simply isn't the case. It is highly unlikely a private collector would loan such a rare item without realising the BBC would most likely return it to their archives and make it publicly available. Furthermore, a domestic tape of 1965/66 quality could not contain more than roughly 120-160 minutes, while all twelve episodes are a total of 300 minutes.

Continuity[[edit] | [edit source]]

Home video releases[[edit] | [edit source]]

DVD releases[[edit] | [edit source]]

A stand-alone DVD was released in region 1 on 13th February, 2018, in region 2 on January 22nd, 2018 and in region 4 on February 7th, 2018.

Blu-ray releases[[edit] | [edit source]]

A stand-alone Blu-ray was released on the same dates in all markets as the DVD. The Blu-ray has special features including a recording of the Doctor Who panel at San Diego Comic-Con 2017.

4K Ultra HD Blu-ray releases[[edit] | [edit source]]

This story was released on Ultra HD Blu-ray in the UK on September 24th, 2018, in Australia on September 25th, 2018 and in North America on October 17th, 2018. It is the first Doctor Who story to be released on the format. The story was not shot in 4K and so was upscaled, however this release makes use of HDR colour depth not available on the DVD and Blu-ray releases. It contains the same special features as the standard Blu-ray release, which is also included as a separate second disc.

The US release came on October 2nd, 2018. It is notable for using the 2018 version of the logo on the cover art rather than the version used during Capaldi's tenure as the Doctor. The disc contents are identical to the UK release (including an FBI warning, included on the UK pressing of the disc).

Digital releases[[edit] | [edit source]]

  • In the United Kingdom, this story is available on BBC iPlayer as part of Series 10.

External links[[edit] | [edit source]]

Footnotes[[edit] | [edit source]]

  1. ↑ 1.0 1.1 1.2 DWM 516
  2. ↑ 2.0 2.1 2.2 Doctor Who Christmas Special 2017. Milk VFX. Retrieved on 18 October 2018.
  3. ↑ 3.0 3.1 3.2 DOC: Twice Upon a Time
  4. ↑ 4.0 4.1 Doctor Who: The Fan Show – 2017 Christmas Special
  5. ↑ Peter Capaldi wearing Jon Pertwee's jacket from 'Planet of the Daleks'
  6. ↑ Doctor Who: The Fan Show - The Aftershow Ep 1
  7. ↑ http://www.radiotimes.com/news/tv/2018-01-19/jenna-colemans-surprise-doctor-who-return-was-almost-completely-different/
  8. ↑ Doctor Who production team confirm subtle Tom Baker Easter Egg in Peter Capaldi’s last episode
  9. ↑ https://www.digitalspy.com/tv/cult/a834617/doctor-who-christmas-special-almost-scrapped/
  10. ↑ See TV: Resolution
  11. ↑ Ratings; DoctorWho TV
  12. ↑ UK Ratings; DW News
  13. ↑ BBC America Ratings
  14. ↑ BBC America Ratings Final
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For the purposes of this list, a "regeneration story" is one in which a regeneration is actually and initially depicted. For this reason The War Games is not included below, even though it is commonly thought of as a "regeneration story". It doesn't actually include a clear scene of regeneration, and the preponderance of stories in other media confirms that the Second Doctor did not regenerate at the end of it.
Additionally, immediate post-regeneration stories, like the 2005 Children in Need Special Born Again — and ones like Castrovalva, where the regeneration sequence was replayed — are not included.
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For the purposes of this list, a "Dalek story" is one in which one living, authentic Dalek plays a part within the confines of the story, outside of flashbacks to previous stories and cliffhangers that lead into the following story. For this reason, stories such as The Space Museum are not counted due to the Daleks' appearance being defined by their importance to following stories, while stories such as The Wheel in Space and The Waters of Mars are absent due to the Daleks' only contribution being references to past Dalek stories. Stories like The Wedding of River Song, Hell Bent, Once, Upon Time and The Vanquishers are also not included due to the Daleks' appearance being restricted to a single scene of no consequence to the plot of the story, while the TV movie is also absent due to the Daleks only being heard from off-screen.
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Because of the ubiquity of this race, no attempt will be made here to list every appearance in every medium. Instead, we focus on televised appearances here, and invite you to explore a complete list of appearances elsewhere.
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