Theory:Timeline - Multi-Doctor stories: Difference between revisions

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* '''[[WC]]: ''[[Doctors Assemble! (webcast)|Doctors Assemble!]]'''''
* '''[[WC]]: ''[[Doctors Assemble! (webcast)|Doctors Assemble!]]'''''
: The Thirteenth Doctor takes part in a conversation, set up by the Fourth Doctor, with all of her predecessors via the TARDIS [[telepathic circuits]].
: The Thirteenth Doctor takes part in a conversation, set up by the Fourth Doctor, with all of her predecessors via the TARDIS [[telepathic circuits]].
=== Fourteenth Doctor ===
* [[TV]]: ''[[The Giggle (TV story)|The Giggle]]''
: Unexpectedly, the [[Fourteenth Doctor]]'s fatal injury from being shot by [[the Toymaker]] with the [[galvanic beam]] triggers a [[bi-generation]] that causes him to split from his newly-created [[Fifteenth Doctor|Fifteenth incarnation]] and live on in his own body. The Fifteenth Doctor's memory consisted of the life that his predecessor would subsequently go on to have, suggesting that the Fifteenth Doctor still counted as a "future" incarnation from Fourteen's perspective. As such, it is not made clear whether Fourteen retains his memory of his newly-bi-regenerated self.


=== Fifteenth Doctor ===
=== Fifteenth Doctor ===

Revision as of 21:49, 9 February 2024

This page lists every multi-Doctor story in which two or more incarnations meet or appear in close proximity to each other in the order in which each incarnation of the Doctor experienced them, with an analysis of their state in the memories of the Doctor and any other applicable individuals.

Stories in bold indicate that the incarnation being focused on is the most recent incarnation in that story.

Timeline

The Past

An unidentified incarnation of the Doctor, who had been living under the Chameleon Arch identity of "Ruth Clayton", meets the Thirteenth Doctor, who has no recollection of this incarnation, but nonetheless identifies her as being in her past. The fact that the Thirteenth Doctor retains her memory of "Ruth" in following stories reinforces this notion.

First Doctor

As a young boy, the First Doctor weeps in the barn on Gallifrey when he is comforted by a "kind stranger" who arrived in the TARDIS, where the Twelfth Doctor is unconscious.
The first seven incarnations of the Doctor gather as a "who-tennany" at a Treen colony in 1991. The First Doctor is accompanied by Susan Foreman.
The First Doctor overhears a message from the Eleventh Doctor addressed to Susan Foreman and Cedric Chivers.
The First Doctor receives the Hand of Omega from the Seventh Doctor in 1963. This contradicts other stories (Time & Time Again, Lungbarrow, and The Beginning) all of which state that the First Doctor took the Hand of Omega with him when he left Gallifrey.
In 1963, the First Doctor, considering what is to become of the Hand of Omega, is saved from an Imperial Dalek by the Seventh Doctor, who pushes him out of the way before collecting the TARDIS Instruction Manual, actually a piece of the Key to Time, which the First Doctor had dropped. Regaining his footing, the First Doctor remains unaware of both his would-be assassin and his saviour, believing he had simply slipped.
During the events of An Unearthly Child, the First Doctor meets the Eighth Doctor, who has travelled back in time to make telepathic contact with his past self in order to regain his memories. Unlike other Multi-Doctor Events, the First Doctor remember this encounter and so each of his next six incarnations will recognise the Eighth Doctor when he comes for their memories.
As a result of the Decayed Master's conceptual bomb erasing the TARDIS, the First Doctor is caught up in an alternate timeline which brings him into contact with all his other selves up to the Eighth Doctor. Once the timeline is restored, the First Doctor, like the other affected Doctors, loses his memory of the event but feels the need to check up on Bob Dovie.
In an alternate timeline, the First Doctor meets the Second Doctor.
The First Doctor is summoned by the Time Lords to assist the Second and Third Doctors in their battle with Omega, but becomes trapped in a time eddy. In The Empire of Glass, set shortly afterwards, the First Doctor is vaguely able to recall having met "a dandy and a clown".
The First Doctor is kidnapped to play the Game of Rassilon in the Death Zone alongside his second, third and fifth incarnations.
The First Doctor and his three immediate successors form a band, only to fall out after arguing over who gets to be the drummer.
The first thirteen incarnations of the Doctor work together to resolve the Void crisis.
The First Doctor invites his seven immediate successors to Christmas dinner.
The First Doctor teams up with his other selves to save Gallifrey at the end of the Last Great Time War.
The First Doctor works with the Second and Tenth Doctors to deal with the backlash from a prototype TARDIS.
The First Doctor takes part in a conversation, set up by the Fourth Doctor, with all of his other selves up to the Thirteenth Doctor via the TARDIS telepathic circuits.
Set during the end of The Tenth Planet, the First Doctor, adamant that he does not want to change, holds off his regeneration long enough to meet the Twelfth Doctor. The First Doctor learns about a significant amount of his future, and also meets an manifestation of future companion Bill Potts. He ultimately goes through with his regeneration with the knowledge that his future is in safe hands, with his memories of the encounter supposedly dying with his old body.

Second Doctor

The Second Doctor teams up with his other selves to save Gallifrey at the end of the Last Great Time War.
The first seven incarnations of the Doctor gather as a "who-tennany" at a Treen colony in 1991. The Second Doctor is accompanied by Victoria Waterfield.
The first thirteen incarnations of the Doctor work together to resolve the Void crisis.
The Second Doctor is summoned by the Time Lords to assist the Third Doctor, leading into The Three Doctors.
The Second Doctor assists the Third Doctor in the battle with Omega, in which they prevail despite a difficult relationship. Afterwards, he recalled how he "[met] [him]self with another face", (PROSE: Goodbyes) and that his "replacement" was "unpromising", (TV: The Five Doctors) as well as that he had promised to replace his recorder. (WC: Doctors Assemble!)
The Second Doctor finds a psychic paper with a message on it from the Eleventh Doctor, and also receives a psychic image of what the Eleventh Doctor would look like, including his bowtie.
As a result of the Decayed Master's conceptual bomb erasing the TARDIS, the Second Doctor is caught up in an alternate timeline which brings him into contact with all his other selves up to the Eighth Doctor. Once the timeline is restored, the Second Doctor, like the other affected Doctors, loses his memory of the event but feels the need to check up on Bob Dovie.
The Second Doctor meets the First Doctor in an alternate timeline.
During the events of The War Games, the Second Doctor meets the Eighth Doctor, who has travelled back in time to make telepathic contact with his past self in order to regain his memories. The Second Doctor recognises his future self, remembering when he came for his memory as the First Doctor.
"Bending" the Laws of Time, the Second Doctor reunites with an older Brigadier and clearly recalls The Three Doctors, refering to both Omega and his "replacement". Together, they are kidnapped to play the Game of Rassilon in the Death Zone alongside the Doctor's first, third and fifth incarnations.
All incarnations of the Doctor, including the Second Doctor, attend the funeral of Alistair Gordon Lethbridge-Stewart.
The Doctor and Jamie are older and travelling with Victoria.
The Second Doctor works with the First and Tenth Doctors to deal with the backlash from a prototype TARDIS.
The Second Doctor takes part in a conversation, set up by the Fourth Doctor, with all of his other selves up to the Thirteenth Doctor via the TARDIS telepathic circuits.

Third Doctor

The Third Doctor receives a phone recorded message from the Eleventh Doctor.
Immediately after the events of The Sea Devils, the Third Doctor meets the Eighth Doctor, who has travelled back in time to make telepathic contact with his past self in order to regain his memories. The Third Doctor recognises his future self, remembering when he came for the memories of his first two incarnations.
The Doctor teams up with his two predecessors to battle Omega.
The first thirteen incarnations of the Doctor work together to resolve the Void crisis.
The Third Doctor is pulled into the events of The Christmas Invasion, where he searches for the Master while the Tenth Doctor is aboard the Sycorax ship. He meets Jackie Tyler, learns that he is destined to take on a "Rose" and a "Mickey" as companions, that Harriet Jones is to be the Prime Minister by 2006 and, although they do not meet, indirectly aides his successor in completing his recent regeneration. The Doctor does not appear to retain this information, not recognising Rose, Mickey, or Jackie upon their first proper meeting in Rose, nor Harriet in Aliens of London, and with the Tenth Doctor believing the vapour from some tea that Rose and Mickey had spilt in the TARDIS to be the key to his recovery.
The Third Doctor and Jo receive assistance in defending a submarine from Sea Devils by a crewman who, unbeknownst to them, is actually the Fourth Doctor.
As a result of the Decayed Master's conceptual bomb erasing the TARDIS, the Third Doctor is caught up in an alternate timeline which brings him into contact with all his other selves up to the Eighth Doctor. Once the timeline is restored, the Third Doctor, like the other affected Doctors, loses his memory of the event but feels the need to check up on Bob Dovie.
Six incarnations of the Doctor, from the Third to the Eighth, work together to pilot a prototype TARDIS.
The Third Doctor teams up with his other selves to save Gallifrey at the end of the Last Great Time War.
The Third Doctor is kidnapped to play the Game of Rassilon in the Death Zone alongside his second, third and fifth incarnations. He reunites with an older version of Sarah Jane Smith, his last companion. Recalling his "change", Sarah Jane describes the Fourth Doctor with gestures which the Third Doctor reads as "teeth and curls".
The first seven incarnations of the Doctor gather as a "who-tennany" at a Treen colony in 1991. The Third Doctor appears with none of his companions.
All incarnations of the Doctor, including the Third Doctor, attend the funeral of Alistair Gordon Lethbridge-Stewart.
The Third Doctor takes part in a conversation, set up by the Fourth Doctor, with all of his other selves up to the Thirteenth Doctor via the TARDIS telepathic circuits.

Fourth Doctor

In the pocket dimension controlled by the Scratchman, the Fourth Doctor is visited by the Thirteenth Doctor, who has come to encourage him to hold onto his true identity against the Scratchman's power. The Thirteenth Doctor later visits him directly to muse on how important it is to be the Doctor.
The Fourth Doctor assists the Third Doctor and Jo Grant in defending a submarine from Sea Devils. Unlike most other Multi-Doctor Events, the Fourth Doctor keeps his identity a secret from his past self.
The Fourth Doctor teams up with his other selves to save Gallifrey at the end of the Last Great Time War.
The Fourth Doctor meets the Tenth Doctor at the Cathedral of Contemplation.
As a result of the Decayed Master's conceptual bomb erasing the TARDIS, the Fourth Doctor is caught up in an alternate timeline which brings him into contact with all his other selves up to the Eighth Doctor. Once the timeline is restored, the Fourth Doctor, like the other affected Doctors, loses his memory of the event but feels the need to check up on Bob Dovie.
Six incarnations of the Doctor, from the Third to the Eighth, work together to pilot a prototype TARDIS.
The first seven incarnations of the Doctor gather as a "who-tennany" at a Treen colony in 1991. The Fourth Doctor is accompanied by Leela and K9 Mark I.
The first thirteen incarnations of the Doctor work together to resolve the Void crisis.
The Fourth Doctor and Romana II are contacted by the Eleventh Doctor.
During the events of State of Decay, the Fourth Doctor meets the Eighth Doctor, who has travelled back in time to make telepathic contact with his past self in order to regain his memories.
The Fourth Doctor sets up a conversation with all of his other selves up to the Thirteenth Doctor via the TARDIS telepathic circuits.

Fifth Doctor

Three days after his regeneration, the Fifth Doctor meets the Seventh Doctor.
The Fifth Doctor receives a message from the Eleventh Doctor.
As a result of the Decayed Master's conceptual bomb erasing the TARDIS, the Fifth Doctor is caught up in an alternate timeline which brings him into contact with all his other selves up to the Eighth Doctor. Once the timeline is restored, the Fifth Doctor, like the other affected Doctors, loses his memory of the event but feels the need to check up on Bob Dovie. He is travelling with Nyssa.
The Fifth Doctor teams up with his other selves to save Gallifrey at the end of the Last Great Time War.
The Fifth and Tenth Doctors come face to face when their TARDISes collide. The Fifth Doctor represses his memory of the event, but is later able to recall watching himself prevent the ensuing paradox, which the Tenth Doctor takes advantage of.
The Fifth Doctor meets his first, second and third selves.
Immediately after the events of The Five Doctors, the Fifth Doctor meets the Eighth Doctor, who has travelled back in time to make telepathic contact with his past self in order to regain his memories. The Fifth Doctor recognises his future self, remembering when he came for the memories of each of his first four incarnations.
On 31 October 1892, the Fifth Doctor meets the retired Eleventh Doctor.
The Fifth Doctor works with his next two incarnations to defeat the Sirens of Time. He is travelling with Tegan and Turlough.
The first seven incarnations of the Doctor gather as a "who-tennany" at a Treen colony in 1991. The Fifth Doctor is accompanied by Tegan Jovanka.
The first thirteen incarnations of the Doctor work together to resolve the Void crisis.
The Fifth Doctor (and Second, Third, Fourth, and Sixth Doctors) are called upon by the First Doctor, who is trapped in a castle which is being besieged.
The Fifth Doctor is contacted by a Time Lord agent, actually the Eighth Doctor, via intercom, correctly determining that the Time Lord is a future incarnation of himself. The Doctor retains the memory of this contact into his eighth incarnation. The Fifth Doctor then meets the Sixth, Seventh and Eighth Doctors in the TARDIS. Like the Sixth and Seventh Doctor, the Fifth doctor forgets this encounter after returning to his own time.
Six incarnations of the Doctor, from the Third to the Eighth, work together to pilot a prototype TARDIS.
The Fifth Doctor takes part in a conversation, set up by the Fourth Doctor, with all of his other selves up to the Thirteenth Doctor via the TARDIS telepathic circuits.

Sixth Doctor

The Sixth Doctor meets the Second Doctor.
The Sixth Doctor is contacted by the Eleventh Doctor.
As a result of the Decayed Master's conceptual bomb erasing the TARDIS, the Sixth Doctor is caught up in an alternate timeline which brings him into contact with all his other selves up to the Eighth Doctor. Once the timeline is restored, the Sixth Doctor, like the other affected Doctors, loses his memory of the event but feels the need to check up on Bob Dovie.
The Sixth Doctor teams up with his other selves to save Gallifrey at the end of the Last Great Time War.
Immediately after the events of Terror of the Vervoids, the Sixth Doctor meets the Eighth Doctor, who has travelled back in time to make telepathic contact with his past self in order to regain his memories. The Sixth Doctor recognises his future self, remembering when he came for the memories of each of his first five incarnations.
Six incarnations of the Doctor, from the Third to the Eighth, work together to pilot a prototype TARDIS.
The first thirteen incarnations of the Doctor work together to resolve the Void crisis.
Whilst fishing with Frobisher, the Sixth Doctor meets and converses with the Seventh Doctor, who has come to collect his cat brooch, actually a piece of the Key to Time.
The Sixth Doctor works with his previous incarnation and his next incarnation to defeat the Sirens of Time.
The first seven incarnations of the Doctor gather as a "who-tennany" at a Treen colony in 1991. The Sixth Doctor appears with none of his companions.
The Sixth Doctor meets the Fifth, Seventh and Eighth Doctors in the TARDIS. He forgets the encounter after returning to his own time.
All incarnations of the Doctor, including the Sixth Doctor, attend the funeral of Alistair Gordon Lethbridge-Stewart.
The Sixth Doctor meets the Seventh Doctor and River Song.
The Sixth Doctor takes part in a conversation, set up by the Fourth Doctor, with all of his other selves up to the Thirteenth Doctor via the TARDIS telepathic circuits.
The Sixth Doctor hears the unfamiliar voice of the Seventh Doctor speaking as his regeneration begins.

Seventh Doctor

The Seventh Doctor's voice is heard by the Sixth Doctor as he begins to regenerate.
As a result of the Decayed Master's conceptual bomb erasing the TARDIS, the Seventh Doctor is caught up in an alternate timeline which brings him into contact with all his other selves up to the Eighth Doctor. Once the timeline is restored, the Seventh Doctor, like the other affected Doctors, loses his memory of the event but feels the need to check up on Bob Dovie.
The Seventh Doctor receives a Hypercube message from the Eleventh Doctor.
Six incarnations of the Doctor, from the Third to the Eighth, work together to pilot a prototype TARDIS.
The Seventh Doctor teams up with his other selves to save Gallifrey at the end of the Last Great Time War. Oddly, he retains some recollection of the event, mentioning it during a conversation with the Fifth Doctor in Cold Fusion.
The Seventh Doctor meets the Fifth Doctor.
The Seventh Doctor and Ace meet an unspecified future incarnation of himself, and his companion Ria, at Bonjaxx's birthday party.
The first seven incarnations of the Doctor gather as a "who-tennany" at a Treen colony in 1991. The Seventh Doctor is accompanied by Ace.
The Seventh Doctor gives the Hand of Omega to the First Doctor in 1963. This contradicts other stories (Time & Time Again, Lungbarrow, and The Beginning) all of which state that the First Doctor took the Hand of Omega with him when he left Gallifrey.
While travelling with Ace and Hex, the Seventh Doctor meets the Eighth Doctor.
Travelling back through his timeline on a quest for the Key to Time with Ace and Bernice Summerfield, the Seventh Doctor converses with the Sixth Doctor and later saves the First Doctor from an Imperial Dalek. Benny encounters the Second and Fourth, while Ace meets the Third and Fifth Doctors.
The Seventh Doctor meets Muldwych on Antýkhon
The Seventh Doctor meets Muldwych at Bernice Summerfield's wedding to Jason Kane in Cheldon Bonniface on 24 April 2010.
The first thirteen incarnations of the Doctor work together to resolve the Void crisis.
The Seventh Doctor meets the Eighth Doctor.
The Seventh Doctor works with his past two incarnations to defeat the Sirens of Time.
The Seventh Doctor meets the Fifth, Sixth and Eighth Doctors in the TARDIS. Curiously, despite contradictory evidence from The Eight Doctors, he fails to recognise the Eighth Doctor. The Seventh Doctor forgets this encounter after returning to his own time.
Towards the end of his life, the Seventh Doctor meets the Eighth Doctor, who has travelled back in time to make telepathic contact with his past self in order to regain his memories. The Seventh Doctor recognises his future self, remembering when he came for the memories of each of his first six incarnations.
All incarnations of the Doctor, including the Seventh Doctor, attend the funeral of Alistair Gordon Lethbridge-Stewart.
The Seventh Doctor meets the Sixth Doctor and River Song.
The Seventh Doctor takes part in a conversation, set up by the Fourth Doctor, with all of his other selves up to the Thirteenth Doctor via the TARDIS telepathic circuits.

Eighth Doctor

Shortly following his regeneration, the Eighth Doctor travels back through his own timeline. Starting with the First Doctor and proceeding onwards, he meets each of his first seven incarnations to regain his memories via telepathic contact. At the end of this journey, the Doctor learns from Rassilon that he had been guiding the Doctor's journeys to make some changes to the pattern of history.
The Eighth Doctor meets the Seventh Doctor.
The Eighth Doctor, posing as a Time Lord agent contacts the Fifth Doctor via the intercom. Though the Eighth Doctor does not disclose his identity, the Fifth Doctor determines that he is a future incarnation and retains the memory of this contact so that the Eighth Doctor will remember having contacted himself. The Eighth Doctor then meets the Fifth, Sixth and Seventh Doctors in the TARDIS. The Eighth Doctor remembers this encounter, unlike his past selves.
The Eighth Doctor teams up with his other selves to save Gallifrey at the end of the Last Great Time War.
The Eighth Doctor receives a message from the Eleventh Doctor.
As a result of the Decayed Master's conceptual bomb erasing the TARDIS, the Eighth Doctor is caught up in an alternate timeline which brings him into contact with his previous seven incarnations. Once the timeline is restored, the Eighth Doctor, like the other affected Doctors, loses his memory of the event but feels the need to check up on Bob Dovie.
While travelling with Charlotte Pollard, the Eighth Doctor meets the Seventh Doctor.
The first thirteen incarnations of the Doctor work together to resolve the Void crisis.
During the Kotturuh crisis, the Eighth and Ninth Doctors confront the Tenth Doctor.
Continues from The Knight, The Fool and The Dead.
Six incarnations of the Doctor, from the Third to the Eighth, work together to pilot a prototype TARDIS.
The Eighth Doctor takes part in a conversation, set up by the Fourth Doctor, with all of his other selves up to the Thirteenth Doctor via the TARDIS telepathic circuits.

War Doctor

The first thirteen incarnations of the Doctor work together to resolve the Void crisis.
On the "last day" of the Last Great Time War, the War Doctor is prepared to use the Moment to end the war but the Moment, who appears in the form of "Bad Wolf girl" Rose Tyler, brings him into contact with the Tenth and Eleventh Doctor as well as the latter's companion, Clara Oswald. Together, the three Doctors decide on an alternative and join with ten of their other incarnations to save Gallifrey. The Eleventh Doctor confirms to the War Doctor that he will not remember this encounter and that he did not destroy Gallifrey. Returning to his TARDIS, the aging War Doctor regenerates into the Ninth Doctor, who will later meet and travel with Rose Tyler.

Ninth Doctor

The Ninth Doctor teams up with his other selves to save Gallifrey at the end of the Last Great Time War. Indeed, this incarnation's fresh guilt at his previously-assumed actions are temporarily alleviated, but ultimately forgotten.
The Ninth Doctor entertains Rose at a Paris cafe, unaware that he is being observed by his tenth, eleventh and twelfth incarnations nearby.
The Ninth Doctor teams up with his eight numbered predecessors and two immediate successors to defeat the Master and Adam Mitchell. He also encounters a multitude of future companions.
The Ninth Doctor sees the Eleventh Doctor when he hijacks a giant television. By this point, the Doctor can identify his eleventh incarnation on sight.
The first thirteen incarnations of the Doctor work together to resolve the Void crisis.
During the Kotturuh crisis, the Ninth and Eighth Doctors confront the Tenth Doctor.
Continues from The Knight, The Fool and The Dead.
All incarnations of the Doctor, including the Ninth Doctor, attend the funeral of Alistair Gordon Lethbridge-Stewart.
The Ninth Doctor takes part in a conversation, set up by the Fourth Doctor, with all of his other selves up to the Thirteenth Doctor via the TARDIS telepathic circuits.

Tenth Doctor

Set during The Christmas Invasion, the Tenth Doctor recovers from his recent regeneration by unknowingly syphoning regenerative energy from a nearby Third Doctor. The Tenth Doctor believes his recovery to be an effect of the vapour from some tea that Rose and Mickey had spilt.
The Tenth Doctor teams up with his nine numbered predecessors and his immediate successor to defeat the Master and Adam Mitchell. He also encounters future companions such as Amy Pond and Clara Oswald.
The Tenth Doctor encounters the Thirteenth Doctor, alongside future companions Yaz, Ryan and Graham, during the events of Blink. The Thirteenth Doctor confirms within the same story that she does not remember the encounter previously occurring.
The Tenth and Fifth Doctors come face to face when their TARDISes collide. The Tenth Doctor is able to prevent the ensuing paradox when he recalls the repressed memory from his Fifth incarnation of watching himself do it.
The Tenth Doctor receives a pre-recorded message from the Eleventh Doctor.
The Tenth Doctor meets his two immediate successors, who all team up to prevent a bad alternate timeline.
The Tenth Doctor teams up with his two immediate successors to perform comedy.
The first thirteen incarnations of the Doctor work together to resolve the Void crisis.
The Tenth Doctor escapes from Skaro with the help of the Thirteenth Doctor. Both Doctors remember not remembering their encounter in A Little Help from My Friends.
During the Kotturuh crisis, the Tenth Doctor is confronted by the Eighth and Ninth Doctors.
Continues from The Knight, The Fool and The Dead.
The Tenth Doctor meets the Fourth Doctor at the Cathedral of Contemplation.
The Tenth Doctor directly encounters his war and eleventh incarnations, who later all team up with their other incarnations to save Gallifrey at the end of the Last Great Time War. He also meets Kate Stewart, and future companion Clara Oswald. The Tenth Doctor temporarily becomes aware of the truth as to what happened at the end of the war, and reevaluates his opinion of the War Doctor. As his immediate successor affirmed, the Tenth Doctor would lose his memory of these events due to the de-synched time streams. Nonetheless, he would still remember marrying Queen Elizabeth in The End of Time.
The Tenth Doctor takes part in a conversation, set up by the Fourth Doctor, with all of his other selves up to the Thirteenth Doctor via the TARDIS telepathic circuits.
The Tenth Doctor works with the First and Second Doctors to deal with the backlash from a prototype TARDIS.

Eleventh Doctor

The Eleventh Doctor meets his immediate predecessor and immediate successor, who all team up to prevent a bad alternate timeline. He encounters near-future companion Clara Oswald. Whilst the Doctor does not remember the encounter, his companion Alice Obiefune allegedly does.
The Eleventh Doctor teams up with his immediate predecessor and immediate successor to perform comedy.
The first thirteen incarnations of the Doctor work together to resolve the Void crisis.
The Doctor encounters the Fifteenth Doctor as he attempts to free Nora Wicker from a Time Bubble.
All incarnations of the Doctor, including the Eleventh Doctor, attend the funeral of Alistair Gordon Lethbridge-Stewart.
The Eleventh Doctor contacts the Sixth Doctor.
The Eleventh Doctor sends a message to Susan Foreman which is overheard by the First Doctor.
The Eleventh Doctor contacts the Fourth Doctor and Romana II.
The Eleventh Doctor contacts the Eighth Doctor.
The Eleventh Doctor uses his psychic paper to send a message to the Second Doctor.
The Eleventh Doctor sends a message to the Fifth Doctor.
The Eleventh Doctor sends a phone recorded message to Third Doctor.
The Eleventh Doctor sends a pre-recorded message to the Tenth Doctor.
The Eleventh Doctor sends a Hypercube message to the Seventh Doctor.
The Eleventh Doctor hijacks a giant television to contact the Ninth Doctor.
On 31 October 1892, the retired Eleventh Doctor meets the Fifth Doctor.
On 26 November 1892, the retired Eleventh Doctor, who believes he is the "last Doctor", meets the Twelfth Doctor. The Eleventh Doctor's memory of this encounter is erased, thus he continues to believe he is in his last body until he is enabled to regenerate again in The Time of the Doctor.
Both the Eleventh and First Doctor are invited to a fake Time Conference on Refkeet Nine. The Eleventh Doctor sees that his predecessor is there, and keeps out of his way.
The Eleventh Doctor teams up with all of his numbered predecessors to defeat the Master and Adam Mitchell. Being the most recent incarnation involved, the Eleventh Doctor finally retains his memory of the event and, from this point onward, permanently considers Adam as "a companion true".
The Eleventh Doctor encounters his tenth and war incarnations...
The three of them go on to team up with their predecessors to save Gallifrey at the end of the Time War. They are also, unbeknownst to them, being aided by the Twelfth Doctor.
Shortly after parting company from his two predecessors, the Eleventh Doctor meets the Curator in the Under Gallery, who all but confirms to him that their attempts to save Gallifrey were successful. The Eleventh Doctor supposedly comes away from the encounter with no memory of it, but "with the strange, groundless conviction that Gallifrey is still out there".[1]
The Eleventh Doctor takes part in a conversation, set up by the Fourth Doctor, with all of his other selves up to the Thirteenth Doctor via the TARDIS telepathic circuits.
Set during the ending of The Time of the Doctor, the Eleventh Doctor, shortly before his regeneration, calls Clara Oswald in the near future to persuade her to stay with his successor. Said successor is waiting for Clara nearby, allowing the conversation to play out, aware that his predecessor is on the other end. The Eleventh Doctor briefly learns through this exchange, to his chagrin, that his next incarnation is "old".

Twelfth Doctor

The Twelfth Doctor lends his aide to his predecessors efforts to save Gallifrey at the end of the Last Great Time War. His predecessors are seemingly unaware of his involvement.
The Twelfth Doctor stands nearby as Clara Oswald receives the phone call from the Eleventh Doctor during the events of The Time of the Doctor.
The TARDIS lands in the barn on Gallifrey. While the Twelfth Doctor is unconscious, Clara steps out and finds the young First Doctor weeping. After comforting the boy, Clara returns to the TARDIS and has the Doctor promise to leave and never look into where they had been.
The Twelfth Doctor teams up with his two immediate predecessors to prevent a bad alternate timeline. Curiously, despite being the most recent incarnation among the meeting, both the Twelfth Doctor and his companion, Clara Oswald, forget most of the adventure.
The Twelfth Doctor teams up with his two immediate predecessors to perform comedy.
The Twelfth Doctor takes part in a conversation, set up by the Fourth Doctor, with all of his predecessors and immediate successor via the TARDIS telepathic circuits.
During his time at St Luke's University, the Twelfth Doctor meets the Eleventh Doctor.
The first thirteen incarnations of the Doctor work together to resolve the Void crisis.
Mortally wounded following a battle with the Mondasian Cybermen, the Twelfth Doctor attempts to resist regenerating when he is brought into contact with his dying first incarnation as well as manifestations of his recent companions, convincing him to accept his regeneration into the Thirteenth Doctor.

Thirteenth Doctor

The Thirteenth Doctor encounters an unknown incarnation of herself who had been living under the Chameleon Arch identity of "Ruth Clayton". She has no recollection of this incarnation, but nonetheless identifies her as being in her past. The fact that the Doctor retains her memory of "Ruth" in following stories reinforces this notion.
The Thirteenth Doctor encounters the Tenth Doctor during the events of Blink.
The Thirteenth Doctor helps the Tenth Doctor escape from Skaro. Both Doctors remember not remembering their encounter in A Little Help from My Friends.
The Thirteenth Doctor visits the Fourth Doctor in the pocket dimension controlled by the Scratchman to encourage him to hold onto his true identity against the Scratchman's power. She later visits him directly to muse on how important it is to be the Doctor.
The Thirteenth Doctor takes part in a conversation, set up by the Fourth Doctor, with all of her predecessors via the TARDIS telepathic circuits.

Fourteenth Doctor

Unexpectedly, the Fourteenth Doctor's fatal injury from being shot by the Toymaker with the galvanic beam triggers a bi-generation that causes him to split from his newly-created Fifteenth incarnation and live on in his own body. The Fifteenth Doctor's memory consisted of the life that his predecessor would subsequently go on to have, suggesting that the Fifteenth Doctor still counted as a "future" incarnation from Fourteen's perspective. As such, it is not made clear whether Fourteen retains his memory of his newly-bi-regenerated self.

Fifteenth Doctor

The Fifteenth Doctor attempts to help the Eleventh Doctor free Nora Wicker from a Time Bubble.

The Future

An unspecified future Doctor and his companion Ria meet the Seventh Doctor and Ace at Bonjaxx's birthday party.
Muldwych meets the Seventh Doctor on Antýkhon
Muldwych meets the Seventh Doctor at Bernice Summerfield's wedding to Jason Kane in Cheldon Bonniface on 24 April 2010.
The Curator meets the Eleventh Doctor in the Under Gallery, all but confirming to him that their attempts to save Gallifrey were successful.
The Father of Time subjects the first six incarnations of the Doctor to the Test of Time.

Footnotes

  1. ↑ DWM 487 "Ask Steven" feature
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