View source for Series 13 (Doctor Who 2005)

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{{Infobox Series
|image            = Doctor Who Flux.jpg
|image2           = Series 13 Doctor and companions.jpg
|broadcast year   = 2021
|broadcast year2  = 2022
|nth season       = 39
|ep count         = 9<ref name="exit" />
|story count      = 4
|first ep         = The Halloween Apocalypse (TV story)
|doctor           = Thirteenth Doctor
|companion        = Yasmin Khan{{!}}Yaz
|companion2       = Dan Lewis{{!}}Dan
|main enemy       = 
|exec prod        = Chris Chibnall
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|start date       = [[31 October (releases)|31 October]] [[2021 (releases)|2021]]
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|network          = [[BBC One]]
|runtime          = 50'
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|prev             = Series 12 (Doctor Who)
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'''Series 13''' of ''[[Doctor Who]]'', also referred to as '''''Doctor Who: Flux''''', premiered on [[Sunday]] [[31 October (releases)|31 October]] [[2021 (releases)|2021]]. [[Chris Chibnall]] remained as [[executive producer]], whilst [[Jodie Whittaker]] returned as the [[Thirteenth Doctor]]. [[Mandip Gill]] returned as [[Yasmin Khan]], joined by newcomer companion [[Dan Lewis]], played by [[John Bishop]].

In [[July (production)|July]] [[2021 (production)|2021]], it was announced that both Chris Chibnall and Jodie Whittaker would be departing at the end of this series, making good on a private agreement between the two to leave the programme after three series.<ref name="exit" >{{cite web|url=https://www.doctorwho.tv/news/?article=jodie-whittaker-chris-chibnall-leave-doctor-who|title=Jodie Whittaker and Chris Chibnall to leave Doctor Who in a trio of Specials in 2022|author=Doctor Who Team|date of source=29 July 2021|website name=Doctor Who (doctorwho.tv)|accessdate=30 July 2010}}</ref>

Although initially reported in an announcement by Chibnall that this series would only contain 8 episodes<ref name="reduced">{{cite web|url=https://www.radiotimes.com/news/tv/2020-11-11/doctor-who-chris-chibnall-cuts-news/?fbclid=IwAR2UEIGMM3IN2p8yj9j_r8put1yV99qok_gQw0W6ZKte1a0yRkM7-Qnoh2Q|title=Doctor Who showrunner Chris Chibnall confirms season 13 will be three episodes shorter than usual|author=McLennan, Patrick|date of source=11 November 2020|website name=RadioTimes|accessdate=30 July 2021}}</ref>, it was later announced that, in addition to the six episodes of the main series and two specials following in 2022 (similar to [[2009 Specials|those]] at the end of [[David Tennant]]'s run), a further feature-length special was in the works for the end of the era. Including this new "trio of specials", the total count was brought up to 9.<ref name="exit" /> The reduced episode count from the usual 11 was due to constraints running a production during the [[COVID-19]] pandemic.<ref name="reduced" />

At [[San Diego Comic-Con|San Diego Comic Con @ Home]] on [[25 July (production)|25 July]] 2021, it was also announced that the main series would follow a [[Serial|serialised format]], meaning it would be one serial spanning six episodes<ref name="SDCC" />, similar to ''[[Torchwood: Children of Earth]]'' (and most [[Doctor Who television stories|''Doctor Who'' television stories]] prior to the [[Doctor Who (TV story)|1996 TV Movie]]).

At a press event held on [[19 October (production)|19 October]] 2021, it was revealed that the main series would be comprise one single story known as ''Flux'', which would be told over 'six episodes – or chapters, as they’re going to be labelled' and 'changes the way we deal with characters – characters who go across more than one episode, monsters who go across more than one episode.'<ref>https://www.radiotimes.com/tv/sci-fi/doctor-who-more-flux-guest-stars-newsupdate/</ref>

A [[Doctor Who: Series 13 (documentary series)|series of behind the scenes features]] were released to [[YouTube]].

The series continued the ongoing storyline exploring the Doctor's past and the [[Timeless Child]].

The series also explored a new subplot, perhaps in relation to the Timeless Child arc, of [[the Doctor's TARDIS]] heavily malfunctioning over the course of the storyline.

== Overview ==
=== Storyline continuation ===
According to [[Chris Chibnall]], the [[Series 12 (Doctor Who)|previous series]] finale ''[[Ascension of the Cybermen (TV story)|Ascension of the Cybermen]]''/''[[The Timeless Children (TV story)|The Timeless Children]]'' laid the groundworks of the storylines throughout this series.<ref>
https://www.radiotimes.com/news/tv/2020-02-20/doctor-who-series-13-storylines/</ref>

On [[8 October (releases)|8 October]] [[2020 (releases)|2020]] at the live-streamed [[New York Comic-Con]] panel, [[Mandip Gill]] revealed that series 13 would delve deeper into [[Yasmin Khan]]'s past and touch on "mental health issues".<ref name="YazMental" > https://www.digitalspy.com/tv/a34325815/doctor-who-season-13-characters-yaz-new-backstory/</ref>

On [[5 December (releases)|5 December]] 2020, Gill told [[Radio Times]] that while her co-stars, [[Bradley Walsh]] and [[Tosin Cole]], felt ready to leave during the preceding [[New Year Special]] ''[[Revolution of the Daleks (TV story)|Revolution of the Daleks]]'', she was not ready to leave [[The Doctor's TARDIS|the TARDIS]] behind, saying there's still more to explore about Yaz's past and mental health.<ref>https://www.radiotimes.com/news/tv/2020-12-05/mandip-gill-doctor-who-series-13/?fbclid=IwAR1OImLKIxGcexP94QgjPJOQXMXBZTL1qvWezV2D3uVlD8QtoeoD93l6Woo</ref>

On [[1 January (releases)|1 January]] [[2021 (releases)|2021]], following the broadcast of Cole and Walsh's final scenes, comedian John Bishop was officially announced in a teaser trailer as playing incoming companion, Dan.<ref>https://www.slashfilm.com/doctor-who-season-13-companion-2021-release/</ref>

In an interview shared by the [[BBC]] on [[24 October (releases)|24 October]], [[Matt Strevens]] mentioned that series 13 would solve some loose ends from the reveal in the [[Series 12 (Doctor Who)|preceding series]], saying that "''[series 13] picks up on a lot of the things the Doctor learned about herself and her history at the end of series 12.''"<ref name="Child" >https://www.radiotimes.com/tv/sci-fi/doctor-who-series-13-timeless-child-newsupdate/?fbclid=IwAR1L-6wyaJiztRsJExMBfJWumkJ0Jhx5w0cPqajXrHkjSTNhuhGHN6V-Uo0</ref>

=== Returning foes ===
Similar to the preceding [[Series 12 (Doctor Who)|series 12]], this series would see a list of returning foes:

The [[Sontaran]]s made a return in their first proper villainous comeback since their "New Who" debut story, [[Series 4 (Doctor Who)|series 4]]'s ''[[The Sontaran Stratagem (TV story)|The Sontaran Strategem]]''/''[[The Poison Sky (TV story)|The Poison Sky]]''. Although several Sontarans have appeared since, most notably [[Strax]] last seen in [[Series 8 (Doctor Who)|series 8]]'s ''[[Deep Breath (TV story)|Deep Breath]]''.
:Their return in ''Doctor Who: Flux'' marked a return to the silvery armour and more war-battered look first seen in [[Jon Pertwee]]'s [[1974 (releases)|1974]] story ''[[The Time Warrior (TV story)|The Time Warrior]]''.

The [[Weeping Angel]]s also made a return to the series, presenting a threat for the first time since [[2013 (releases)|2013]] [[Christmas Special]] ''[[The Time of the Doctor (TV story)|The Time of the Doctor]]''. Although they did make cameos in [[Series 9 (Doctor Who)|series 9]] finale ''[[Hell Bent (TV story)|Hell Bent]]'' and the immediately preceding [[New Year Special]] ''[[Revolution of the Daleks (TV story)|Revolution of the Daleks]]'', respectively.

The [[Cyber-Warrior]] [[Cybermen]] also made their way back after being reawakened in [[Series 12 (Doctor Who)|Series 12]] finale ''[[Ascension of the Cybermen (TV story)|Ascension of the Cybermen]]''/''[[The Timeless Children (TV story)|The Timeless Children]]''.

The [[Dalek]]s also made it back to the screen, having last been seen in the preceding special ''Revolution of the Daleks''. Unlike the last two instances in "the Chibnall era", they returned in the [[Once, Upon Time (TV story)|main series]], albeit in a memory and non-speaking.

[[The Master]] also managed to make a return to the show, making his return in the [[Centenary Special]] after having last appeared in the Series 12 finale ''Ascension of the Cybermen''/''The Timeless Children''.<ref name="Master" />

== Cast ==
* [[Thirteenth Doctor|The Doctor]] - [[Jodie Whittaker]]
* [[Yasmin Khan]] - [[Mandip Gill]]
* [[Dan Lewis|Dan Lewis]] - [[John Bishop]]

=== Recurring ===
* [[Karvanista]] - [[Craige Els]]
* [[Vinder]] - [[Jacob Anderson]]
* Voice of the [[Cybermen]] - [[Nicholas Briggs]]
* [[Fugitive Doctor]] - [[Jo Martin]]
* [[Sonya Khan]] - [[Bhavnisha Parmar]]
* [[Graham O'Brien]] - [[Bradley Walsh]]<ref name="Walsh" >https://cultbox.co.uk/news/headlines/doctor-who-bbc-centenary-special-filming-in-grange-gardens-cardiff</ref>
* [[The Master]] - [[Sacha Dhawan]]<ref name="Master" />

=== Guest ===
* [[Joseph Williamson]] - [[Steve Oram]]
* [[Diane (The Halloween Apocalypse)|Diane Curtis]]<ref name="Cast3" >https://cultbox.co.uk/news/headlines/doctor-who-flux-once-upon-time-guest-cast-list</ref> - [[Nadia Albina]]
* [[New Swarm|Swarm]] - [[Sam Spruell]]
* [[Azure (The Halloween Apocalypse)|Azure]]/[[Anna (The Halloween Apocalypse)|Anna]] - [[Rochenda Sandall]]
* [[Claire (The Halloween Apocalypse)|Claire Brown]]<ref name="4Cast" /> - [[Annabel Scholey]]
* [[Ritskaw]]<ref>[[Sontaran]] [[Commander]] [[Ritskaw]] has been misspelled in the end credits of the second episode ''[[War of the Sontarans (TV story)|War of the Sontarans]]'' but episodic events confirms this is the same character from episode 1, ''[[The Halloween Apocalypse (TV story)|The Halloween Apocalypse]]''.</ref> - [[Jonathan Watson]]
* [[Kragar]] - [[Dan Starkey]]
* [[Old Swarm]] - [[Matthew Needham]]
* [[En Sentac]] - [[Sarah Amankwah]]
* [[K-Toscs]] - [[Charlie Oscar]]
* [[Wilder]] - [[Richard Tate]]
* [[James Stonehouse]] - [[Paul Leonard]]
* [[Wilma (The Halloween Apocalypse)|Wilma]] - [[Heather Bleasdale]]
* [[Kev (The Halloween Apocalypse)|Kev]] - [[John May (actor)|John May]]
* [[Jón (The Halloween Apocalypse)|Jón]] - [[Gunnar Cauthery]]
* [[Weeping Angel (The Halloween Apocalypse)|Weeping Angel]] - [[Barbara Fadden]]
* [[Skaak]] - [[Jonathan Watson]]
* [[Mary Seacole]] - [[Sara Powell]]
* [[Eileen Lewis|Eileen]] - [[Sue Jenkins]]
* [[Neville Lewis|Neville]] - [[Paul Broughton]]
* [[General]] [[Logan (War of the Sontarans)|Logan]] - [[Gerald Kyd]]
* [[Svild]] - [[Dan Starkey]]
* [[Passenger (War of the Sontarans)|Passenger]] - [[Jonny Mathers]]
* [[Priest Triangle]] - [[Nigel Lambert]]
* [[Bel (Once, Upon Time)|Bel]] - [[Thaddea Graham]]
* [[Grand Serpent]] - [[Craig Parkinson]]
* [[Awsok]] - [[Barbara Flynn]]
* [[Police officer (Once, Upon Time)|Police Officer]] - [[Chantelle Pierre]]
* Voice of the [[Mouri]] - [[Amanda Drew]]
* Mrs. Hayward - Penelope McGhie<ref name="Cast" /><ref name="Trail" />
* [[Professor]] Eustacius<ref name="Angels" /> Jericho<ref name="Promo" /> - [[Kevin McNally]]<ref name="Cast" /><ref name="Trail" />
* Farquhar<ref name="Five">https://cultbox.co.uk/news/headlines/doctor-who-flux-survivors-of-the-flux-cast-list-provides-clues</ref> - [[Robert Bathurst]]<ref name="Cast" /><ref name="Trail" />
* Namaca<ref name="4Cast" /> - [[Blake Harrison]]<ref name="Cast" /><ref name="Trail" />
* Prentis<ref name="Five" /> - [[Craig Parkinson]]<ref name="Cast" /><ref name="Trail" />
* "Train Marshall" - [[Sanchia McCormack]]<ref>https://twitter.com/ruther2/status/1448341807033634817?s=21</ref>
* Voice of the [[Dalek]]s - [[Nicholas Briggs]]<ref name="Dalek" >https://www.google.com/amp/s/www.radiotimes.com/tv/sci-fi/doctor-who-season-13-release-date/amp/</ref>
* [[Dalek]]s - [[Nicholas Pegg]], [[Barnaby Edwards]]<ref name="Dalek" />
* [[Reverend]] Shaw - Alex Frost<ref name="4Cast" >https://cultbox.co.uk/news/headlines/doctor-who-flux-fourth-chapter-titled-village-of-the-angels</ref>
* Peggy - Poppy Polivnick<ref name="VotA" /><ref name="VotA">https://cultbox.co.uk/news/doctor-who-flux-village-of-the-angels-full-cast-list</ref>
* Jean - [[Jemma Churchill]]<ref name="VotA" />
* Gerald - [[Vincent Brimble]]<ref name="VotA" />
* [[Weeping Angel]]s - Isla Moody, Lowri Brown<ref name="VotA" />
* TBA - Aisling Bea<ref name="TVmag">https://twitter.com/john_el98/status/1459546447263715330?s=21</ref>
* TBA - Pauline McLynn<ref name="TVmag" />

== Production ==
=== Production during COVID-19 ===
On [[31 March (production)|31 March]] [[2020 (production)|2020]] it was reported by [[Radio Times]] that due to a lucky break in filming, ''Doctor Who'' might have dodged a bullet and inadvertently gone around the whole Lockdown crisis that other production have suffered, and therefore escaped the [[COVID-19]] virus altogether.<ref> https://www.google.dk/amp/s/www.radiotimes.com/news/tv/2020-03-31/doctor-who-coronavirus-schedule/amp/</ref>

However, it was reported on [[18 June (production)|18 June]] 2020 by [[The Mirror]] that [[Director]] of [[BBC Wales]] [[Rhodri Talfan Davies]] had said that the series would not be continuing filming during current social distancing rules.<ref> https://www.google.dk/amp/s/www.mirror.co.uk/tv/tv-news/doctor-who-series-13-wont-22214372.amp</ref>

On [[11 September (production)|11 September]] 2020 it was claimed by the ''Metro Entertainment'' that due to a spike in COVID-19 cases, series 13 could potentially be moved to [[2022 (releases)|2022]] due to significant delays in principal photography as a result of the virus.<ref name="COVID"> https://www.google.dk/amp/s/metro.co.uk/2020/09/11/doctor-who-new-series-could-be-delayed-until-2022-as-covid-19-wreaks-havoc-on-filming-13255335/amp/</ref>

That same day, a conflicting report from ''Radio Times'' mentioned that filming was set to begin "soon", noting that little was known about what social distancing rules would mean for the series or the number of episodes.<ref> https://www.radiotimes.com/news/tv/2020-09-11/doctor-who-season-13-filming/</ref>

On [[11 November (production)|11 November]] 2020, Chris Chibnall announced to ''[[The Mirror]]'' that the series run had indeed been impacted by the virus, and had been reduced to eight episodes. He stated: "In this strangest of years, the ''Doctor Who'' production team have worked wonders to get the show back into production. Given the complexity of making ''Doctor Who'', and with new and rigorous Covid working protocols, it’s going to take us a little longer to film each episode, meaning we expect to end up with eight episodes, rather than the usual 11."<ref name="reduced" />

In an interview with the ''[[Radio Times]]'' on [[28 November (production)|28 November]], Chibnall opened up a bit more about the struggles of making the show during a global pandemic while trying to avoid fans thinking about the pandemic while watching the series, saying: "Basically, for the past six months we’ve been going, 'How do we make ''Doctor Who'' in the middle of a pandemic?' We had to re-interrogate absolutely everything. We couldn’t do ''Spyfall'' this year. We won’t be able to do overseas filming. Editorially, production-wise, logistically, health and safety-wise, it’s had a massive impact. But where we are is incredibly exciting. As much as possible at the moment everybody's smiling, and we've got some really lovely, great, mad scary ideas."<ref name="re-evaluate" />

Producer [[Matt Strevens]] reassured fans that the quality of the series would not be affected, saying: "The biggest thing is that when series 13 finally does air, whenever that is, we never want people to watch it under the caveat of COVID, going, 'Ah, well, but they made this during the pandemic.' We want to make sure that when you watch it, it's – [[Timeless Child|no pun intended]] - timeless, and feels as exciting and as high-end as we've tried to make the series since we took over. That was the driving impulse behind looking at the narratives and reducing the number of episodes slightly: we want to make sure we can give people the biggest production values possible."<ref name="re-evaluate">https://cultbox.co.uk/news/doctor-who-series-13-showrunner-and-executive-producer-provide-update?fbclid=IwAR14OqgliH44VpAnSWmuT3CQHwBhY85yibws8FNbPftsS5mdfbzJX8CuxMo</ref>

On [[25 July (production)|25 July]] [[2021 (production)|2021]], during the [[San Diego Comic-Con|Comic Con @ Home]], Chibnall announced that the series had undergone changes in format, giving it a storytelling style similar to Classic Who era, with it being a singular multi-part story throughout the entire season.<ref name="SDCC" >https://cultbox.co.uk/news/headlines/doctor-who-series-13-trailer-information-casting-news-and-images</ref>

In ''[[Doctor Who Magazine]]'' [[DWM 570|issue 570]], Whittaker spoke about the difficulty of shooting a particular scene set in a small bedroom due to social distancing rules applying still and preventing all crew getting into the room together.<ref name="Reveals" >https://cultbox.co.uk/news/doctor-who-flux-writers-directors-details-announced</ref>

Chibnall further stated that it had been incredibly difficult on set to get the show done, saying they had to "''reimagine their job''", however that they had been able to "''do all the things [we] normally do in terms of character interactions''".<ref name="DWM" >https://www.radiotimes.com/tv/sci-fi/doctor-who-series-13-big-episode-1-newsupdate/?fbclid=IwAR2srJmYcTqP4lb4ewFdqErlClDVmXs7pD2PKMANuXAEhULReTDkGOHVp0Y</ref>

In an interview shared by the [[BBC]] on [[24 October (production)|24 October]], [[Jodie Whittaker]] spoke about what it was like filming during the pandemic, saying that the filming started late because of it and there was a whole different feel to get used to because of the travelling restrictions preventing overseas filming and because no one had seen eachother for a year and that "''[everyone] want[ed] to make sure [they're] not the person to make a mistake as the domino effect [could] be so catastrophic on set''".<ref name="S13" >https://www.doctorwho.tv/news/?article=jodie-whittaker-talks-doctor-who-flux-series-13-thirteenth-doctor&fbclid=IwAR0bh--z2Y-8nhXGGz9p1m_g8IqIyyC2_LX9oyPzU_j4JTEs4oI_Rl9i-FQ#_</ref>

=== Crew ===
==== Producers ====
In an interview with ''Television Magazine'' in [[June (production)|June]] [[2017 (production)|2017]], Chibnall promised that his run would be "bold" and "risky".<ref>{{cite web|url=https://www.digitalspy.com/tv/cult/a830779/chris-chibnall-five-year-plan-for-doctor-who/|title=Chris Chibnall has "five-year" plan for Doctor Who – and it's risky and bold|author=Houghton, Rianne|date of source=14 June 2017|website name=Digital Spy|accessdate=12 January 2019}}</ref>. (Contrary to common belief, he made no mention of a five-year plan, but his friend, James Strong indicated ''his'' ''belief'' that the position was a five year project.<ref>https://rts.org.uk/article/chris-chibnall-man-who-reinvented-cliffhanger</ref>) This plan involved the revelation of the [[Timeless Child]], given at the end of [[series 12 (Doctor Who)|series 12]].<ref name="Timeless">https://cultbox.co.uk/news/the-timeless-child-jodie-whittaker-hints-of-a-continuing-mystery</ref>
:Interestingly, the five-year-plan would come to pass with the [[Centenary Special]] releasing in [[October (releases)|October]] [[2022 (releases)|2022]] completing the run which had begun when filming for the Chibnall era began on [[31 October (production)|31 October]] [[2017 (production)|2017]] with [[Series 11 (Doctor Who)|series 11]].<ref>http://www.digitalspy.com/tv/doctor-who/news/a842868/bradley-walsh-doctor-who-filming-starts-next-week-interview-sunday-brunch/</ref>
Chibnall revealed to ''[[Doctor Who Magazine]]'' on [[19 August (releases)|19 August]] [[2021 (releases)|2021]] that he would be be "free and clear" of the show's production in 2022, the year of the specials.<ref name="Centenary" />

==== Director ====
[[Jamie Magnus Stone]] returned to direct the first [[filming block]] from this series, along with [[DOP]] [[Robin Whenary]]<ref name="Ruther">https://twitter.com/Ruther2/status/1325911361000443911</ref> consisting of episodes 1, 2 and 4.<ref name="News">https://cultbox.co.uk/news/headlines/doctor-who-series-13-and-2022-specials-directors-and-casting-news</ref> Stone also directed the [[Centenary Special]].<ref name="StoneCent" >https://wrp.huwevansimages.co.uk/events/18541</ref>

[[Azhur Saleem]] directed the second filming block consisting of episode 3, 5 and 6 of the series.<ref name="News" />

[[Anetta Laufer|Annetta Laufer]] directed the [[New Year Special]].<ref name="NY" >https://twitter.com/ruther2/status/1450531525024493568?s=21</ref>

[[Haolu Wang]] directed the [[Easter Special]].<ref name="News" />

==== Writers ====
[[Chris Chibnall]] wrote all 6 episodes of the series with episode 4 being co-written by [[Maxine Alderton]].<ref name="Reveals" />

It was revealed in [[DWM 570]] that there were originally more writers (most of them unknown) scheduled for the original format of the series:<ref name="Reveals" />

Maxine Alderton was originally confirmed as a "core writer" for the series.<ref>https://twitter.com/doctorwhopn/status/1195295336383864834?s=21</ref>

[[Ed Hime]] originally returned to write an episode of the series.<ref> https://thedoctorwhocompanion.com/2020/04/13/ed-hime-to-script-doctor-who-series-13-episode/</ref>

Series 13 was the first season since [[Season 23]] of the Classic Series to not introduce any new writers.

=== Pre-production ===
[[Tracie Simpson]] announced at a ''[[Gallifrey One]]'' convention on [[15 February (production)|15 February]] [[2020 (production)|2020]] that [[pre-production]] on the series would begin in [[June (production)|June]] [[2020 (production)|the same year]].<ref name="Gally1" >https://cultbox.co.uk/news/doctor-who-series-13-filming-begins-in-september</ref>

=== Filming ===
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[[Tracie Simpson]] announced at the ''Gallifrey One'' convention on [[15 February (production)|15 September]] [[2020 (production)|2020]] that [[principal photography|filming]] would begin in [[September (production)|September]] the same year.<ref name="Gally1" /> This was, of course, delayed due to the [[COVID-19]] pandemic, with spikes in cases and deaths at around this time.<ref name="COVID" />

Principal photography officially began on [[2 November (production)|2 November]] [[2020 (production)|2020]] at [[Roath Lock|Roath Lock Studios]].<ref> https://cultbox.co.uk/news/doctor-who-series-13-begins-filming</ref>

Filming [[on location]] first began on [[13 November (production)|13]] and [[16 November (production)|16 November]] at [[Morlais Quarry]], [[Merthyr Tydfil]] in [[South Wales]].<ref> https://cultbox.co.uk/news/doctor-who-series-13-filming-in-merthyr-tydfil</ref> Filming also took place at some point in [[November]] in [[Penwyllt Quarry]].<ref>https://twitter.com/doctorwhopn/status/1450214498770501643?s=21</ref>

Filming continued on [[26 November (production)|26 November]] at [[The Parade]] in [[Cardiff]], [[Wales]].<ref>https://cultbox.co.uk/news/doctor-who-series-13-sontarans-and-john-bishop-seen-filming-in-cardiff</ref>

The production moved onto the streets of Cardiff on [[7 December (production)|7 December]].<ref>https://cultbox.co.uk/news/headlines/doctor-who-series-13-jodie-whittaker-and-mandip-gill-filming-in-cardiff</ref>

Filming then continued on [[8 December (production)|8 December]] in [[Neptune Court]] on [[Vanguard Way]] in [[Penarth]], Cardiff.<ref name="Weep" >https://cultbox.co.uk/news/doctor-whos-weeping-angels-filmed-in-cardiff</ref>

Filming resumed on [[11 January (production)|11 January]] [[2021 (production)|2021]] on [[Cold Knap]] beach in [[Barry]], Wales.<ref>https://www.walesonline.co.uk/lifestyle/tv/doctor-who-star-jodie-whittaker-19605907.amp?__twitter_impression=true</ref>

Filming continued on [[21 January (production)|21 January]] 2021 in [[Saint Hilary]], [[Vale of Glamorgan]], Wales.<ref>https://cultbox.co.uk/news/doctor-who-series-13-block-1-of-filming-continues-with-a-familiar-foe</ref>

Filming went on to [[Barry Island]] at [[Friars Point House]] the night between [[25 January (production)|25]] and [[26 January (production)|26 January]].<ref>https://cultbox.co.uk/news/headlines/doctor-who-series-13-filming-at-friars-point-house-in-barry</ref>

Filming took place at [[Porthkerry Country Park]] in Barry, Wales on [[17 February (production)|17 February]].<ref>https://cultbox.co.uk/news/headlines/doctor-who-series-13-filming-in-porthkerry</ref>

Filming then went on to the [[Ffresh Cabaret Bar]] inside the [[Wales Millennium Centre]] in Cardiff on [[18 February (production)|18 February]].<ref>https://cultbox.co.uk/news/headlines/doctor-who-series-13-filming-at-wales-millennium-centre</ref>

Filming took place inside [[Cardiff City Hall]] on [[8 March (production)|8 March]].<ref name="3News">https://cultbox.co.uk/news/headlines/doctor-who-series-13-filming-at-atlantic-college</ref>

Filming then went on at [[Atlantic College]] in [[Llantwit Major]], Wales in front of an old stone house located on the campus on [[17 March (production)|17 March]].<ref name="3News" />

Filming later took place at [[Kongs Cardiff]] and [[The Hayes]], both located in Cardiff, on [[18 March (production)|18 March]].<ref name="3News" />

Filming took place at the [[Royal Albert Dock]] in [[Liverpool]] on [[22 March (production)|22 March]].<ref>https://cultbox.co.uk/news/doctor-who-series-13-filming-at-royal-albert-dock-liverpool</ref>

Next, filming took place at the [[Museum of Liverpool]] on [[23 March (production)|23 March]].<ref>https://cultbox.co.uk/news/headlines/doctor-who-series-13-john-bishop-filming-at-the-museum-of-liverpool</ref>

Filming then took place at the [[Church of St Luke]] and [[Metropolitan Cathedral]] in Liverpool on [[24 March (production)|24 March]].<ref>https://cultbox.co.uk/news/headlines/doctor-who-series-13-filming-at-church-of-st-luke-and-metropolitan-cathedral-in-liverpool</ref>

Filming moved to [[St George's Hall]] in Liverpool on [[25 March (production)|25 March]].<ref>https://cultbox.co.uk/news/headlines/doctor-who-series-13-mandip-gill-and-john-bishop-filming-in-period-costume-in-liverpool</ref>

Filming took place in [[Grangetown]] in Cardiff on [[4 May (production)|4 May]].<ref>https://cultbox.co.uk/news/headlines/doctor-who-series-13-jodie-whittaker-and-the-tardis-touch-down-in-grangetown</ref>

Filming continued in [[Salisbury Avenue]] in Penarth, Wales on [[13 May (production)|13 May]].<ref>https://cultbox.co.uk/news/headlines/doctor-who-series-13-filming-doctor-dan-and-tardis-in-penarth</ref>

Filming took place at the [[A Bond Warehouse]] at [[Cumberland Road]] in [[Bristol]] on [[4 June (production)|4 June]].<ref>https://www.bristolpost.co.uk/whats-on/whats-on-news/doctor-who-filming-bristol-jodie-5491069?utm_source=twitter.com&utm_medium=social&utm_campaign=sharebar</ref>

Filming went to [[Sully Beach]] in [[Barry]], Wales on [[25 July (production)|25 June]].<ref>https://barry.nub.news/n/tardis-lands-on-sully-beach-for-doctor-who-filming</ref>

Filming took place at [[Roath Lock|Roath Lock Studios]] on [[5 July (production)|5]], [[6 July (production)|6]], [[22 July (production)|22]], [[23 July (production)|23]] and [[26 July (production)|26 July]]<ref name="Pirate">https://cultbox.co.uk/news/headlines/doctor-who-series-13-casting-calls-suggests-chinese-pirate-episode</ref> while filming took place again on Sully Beach on [[15 July (production)|15 July]].<ref>https://cultbox.co.uk/news/headlines/doctor-who-series-13-filming-returns-to-sully-beach-with-jodie-whittaker-and-john-bishop</ref> Additional filming also took place at [[Cardiff Bay]] on 26 July.<ref>https://cultbox.co.uk/news/headlines/doctor-who-series-13-filming-in-cardiff-bay-with-asian-boat</ref> Filming wrapped soon after.<ref>https://twitter.com/bbcdoctorwho/status/1419354156679278593?s=21</ref>

Filming on the seperately scheduled [[Centenary Special]] began on [[23 August (production)|23 August]] in [[Llandaff]].<ref name="100th" >https://twitter.com/doctorwhopn/status/1439258068219580424?s=21</ref>

Filming continued in [[Bristol]] on [[6 September (production)|6 September]].<ref name="100th" />

Filming took place on [[15 September (production)|15]], [[16 September (production)|16]] and [[17 September (production)|17 September]] at [[Hodge House]] in [[Cardiff]].<ref name="UNIT">https://cultbox.co.uk/news/headlines/doctor-who-bbc-centenary-special-filming-at-hodge-house-in-cardiff</ref>

Filming went on to [[Grange Gardens]] at [[Grangetown]] in Cardiff on [[20 September (releases)|20 September]].<ref name="Walsh" />

Filming further continued on [[5 October (releases)|5 October]] at [[The Gate Arts Centre]] in [[Roath]], Cardiff.<ref name="Master" >https://cultbox.co.uk/news/headlines/doctor-who-bbc-centenary-special-filming-at-the-gate-in-cardiff</ref>

Filming took place in a [[Pant Quarry]]<ref>https://twitter.com/doctorwhopn/status/1450214498770501643?s=21</ref> in [[Bridgend]] on [[7 October (releases)|7]]<ref>https://twitter.com/doctorwhopn/status/1446063368851312647?s=21</ref> and [[8 October (releases)|8 October]].<ref>https://twitter.com/doctorwhopn/status/1446469353508048933?s=21</ref>

Filming took place at [[Roath Lock|Roath Lock Studios]] on [[13 October (releases)|13 October]].<ref>https://cultbox.co.uk/news/headlines/jodie-whittaker-wraps-final-filming-on-doctor-who</ref>

Filming also went on to the intersection between [[West Bute Street]] and [[Mount Stuart Square]], Cardiff on [[14 October (releases)|14 October]].<ref>https://twitter.com/doctorwhopn/status/1448627615649120258?s=21</ref><ref>https://cultbox.co.uk/news/headlines/doctor-who-bbc-centenary-special-filming-continues-in-cardiff</ref>

On [[15 October (releases)|15 October]] [[2021 (releases)|2021]] final filming for the [[Centenary Special]] took place at Roath Lock Studios.<ref>https://twitter.com/doctorwhopn/status/1449126997343494151?s=21</ref>

== Television stories ==
=== Regular series: ''Flux'' ===
{| {{prettytable}} width="90%"
!width=5%|'''Episode<br>Number''' || width=20%|'''Episode title''' || width=15%|'''Writer''' || width=15%|'''Director''' || '''Notes'''
|-
|rowspan=1|1||Chapter One:<br />''[[The Halloween Apocalypse (TV story)|The Halloween Apocalypse]]''|| rowspan="3" |[[Chris Chibnall]]|| rowspan="2" |[[Jamie Magnus Stone]]||Introduction of [[Dan Lewis]], [[Swarm (The Halloween Apocalypse)|Swarm]] and [[Karvanista]]. Appearance of [[Weeping Angel (The Halloween Apocalypse)|a single Weeping Angel]] and war-beaten [[Sontaran]]s [[Kragar]] and [[Ritskaw]].
[[Joseph Williamson]] and [[James Stonehouse]] also make appearances.
|-
|rowspan=1|2||rowspan=1|Chapter Two:<br />''[[War of the Sontarans (TV story)|War of the Sontarans]]''||[[Mary Seacole]] appears during the [[Crimean War]] against a troop of [[Sontaran]]s. Dan is returned to modern day [[Liverpool]] fighting against a different troop of the warriors. Yaz is sent the the planet [[Time (planet)|Time]] to investigate the [[Temple of Atropos]].
[[Commander]] [[Linx]] and [[Shadow Proclamation]] are both mentioned.
|-
|rowspan=1|3||rowspan=1|Chapter Three:<br />''[[Once, Upon Time (TV story)|Once, Upon Time]]''||[[Azhur Saleem]]||The Doctor enters her own [[time stream]] to discover her own unknown past life working for [[the Division]], discovering her part in ending the [[Dark Times]] as well as stopping [[Old Swarm|Swarm]] and [[Azure (The Halloween Apocalypse)|Azure]]'s rule.

Return of the [[Cyberman|Cybermen]] and the [[Fugitive Doctor]]. Minor return of the [[Dalek]]s. Introduction of [[Bel (Once, Upon Time)|Bel]], [[Grand Serpent]] and [[Awsok]].
|-
|rowspan=1|4||rowspan=1|Chapter Four:<br/>''Village of the Angels''<ref>https://twitter.com/bbcdoctorwho/status/1456629893928833036</ref>||[[Maxine Alderton]] and Chris Chibnall<ref name ="Reveals" />||Jamie Magnus Stone<ref name="News" />||
|-
|rowspan=1|5||rowspan=1|Chapter Five:<br/>''Survivors of the Flux''<ref name="Ep5" />
| rowspan="2" |Chris Chibnall<ref name="Reveals" />|| rowspan="2" |Azhur Saleem<ref name="News" />||
|-
|rowspan=1|6||rowspan=1|Chapter Six:<br/>''The Vanquishers''<ref>https://www.tvzoneuk.com/post/dwflux-ep6title</ref>
|
|}

=== 2022 Specials ===
{| {{prettytable}} width="90%"
!width=5%|'''Episode<br>Number''' || width=20%|'''Title''' || width=15%|'''Writer''' || width=15%|'''Director''' || '''Notes'''
|-
|N/A||TBA||TBA||[[Annetta Laufer]]<ref name="NY" />||[[New Year Special]]<ref name="ARG" />
|-
|N/A||TBA||TBA||[[Haolu Wang]]<ref name="News" />||Easter Special<ref>https://twitter.com/ruther2/status/1438477156259176448?s=21</ref>
|-
|N/A||''The Centenary Special''<ref>https://www.radiotimes.com/tv/sci-fi/doctor-who-2022-specials-chris-chibnall-newsupdate/</ref><br/><small>(working title)</small>||TBA||[[Jamie Magnus Stone]]<ref name="StoneCent" />||[[UNIT]] returns.<ref name="UNIT" /> [[Graham O'Brien]] returns.<ref name="Walsh" />

[[Thirteenth Doctor]] [[Regeneration|regenerates]]. Set to be "feature-length" as part of the [[BBC|BBC Centenary]] celebrations.<ref name="exit" />
|}

== Episode notes ==
* Possibly as a way of marketing, a reoccurring theme in the ''Doctor Who'' logos was that over the course of the series, they would gradually break apart, similar to [[Time]] and [[Space]] as seen in the series, with the rainbow coloured threads at the end of each [[YouTube]] video unravelling more and more, while the [[BBC]] ''WHO'' logo would shatter further and further.
* ''Flux'' marks the first serialised ''Doctor Who'' TV story since ''[[Survival (TV story)|Survival]]'', some thirty-two years prior.
* Series 13 marks the first time the [[title sequence]] has received a subtitle, in this instance ''Flux'', below the main title of the show.
* [[Jodie Whittaker]] said she "cried her eyes out" on her final day of filming.<ref>https://www.mirror.co.uk/tv/tv-news/heartbroken-doctor-who-star-jodie-25253319</ref>
* Once all chapters have aired, ''Flux'' will form the longest continual storyline in the revived series (at over 250 minutes in total, across six episodes), and be the second longest-running serial only beaten by ''[[Season 23|The Trial of a Time Lord]]''.

== Aliens and enemies ==
* [[Kill Disk]]s
* [[The Division]]
** [[En Sentac]]
** [[K-Toscs]]
*[[Ravager (The Halloween Apocalypse)|Ravagers]]
**[[Swarm (The Halloween Apocalypse)|Swarm]]
*** [[Old Swarm]]
*** [[New Swarm]]
**[[Azure (The Halloween Apocalypse)|Azure]]
* [[Lupar|Lupari]]
** [[Karvanista]]
* [[Inston-Vee Vinder]]
* [[The Flux]]
* [[Sontaran]]s
** [[Psychic Surveyor]] [[Kragar]]
** [[Commander]] [[Ritskaw]]
** [[Commander]] [[Skaak]]
** [[Svild]]
* [[Weeping Angel]]s
** [[Weeping Angel (The Halloween Apocalypse)|Claire's Weeping Angel]]
** [[Weeping Angel (Once, Upon Time)|Yasmin's Weeping Angel]]
* [[Species (The Halloween Apocalypse)|Green Aliens]]
* [[Priest Triangle]]s
* [[Mouri]]
* [[Passenger (War of the Sontarans)|Passenger]]
* [[Bel (Once, Upon Time)|Bel]]
* [[Dalek]]s
* [[Cyberman|Cybermen]]
** [[Cyber-Warrior]]s
*** [[Cyber-Warrior (Once, Upon Time)|Cyber-Warrior]]
* [[Inston-Vee Vinder's commanding officer|Vinder's Commander]]
* [[Grand Serpent]]
* [[Alforian]]s
* [[Fugitive Doctor]]
* [[Awsok]]
* [[Ood]]<ref name="Cast" /><ref name="Trail" />
* [[The Master]]<ref name="Master" />

== Rumours ==
* On 21 June 2021, an urgent casting call of people of Chinese descent for an “exciting BBC programme” and a post on Facebook, seemingly quoting said casting call, calling for people to play sailors on Doctor Who, suggests a possible 19th century story featuring Chinese pirates. The episode may feature "Pirate Queen" Zheng Yi Sao.<ref name="Pirate" />
* The [[Multiverse]] could be explored.<ref>https://www.radiotimes.com/tv/sci-fi/doctor-who-flux-multiverse/?fbclid=IwAR20yPCPZLQtWqbWnbAwfPV24nMYhsMAt9DDLV1Duv8GVdTDm0N9EUPOtfM</ref>

== Promotion ==
=== Announcement ===
Unusually, the series was announced as being "in the works" by Chibnall on [[21 November (production)|21 November]] [[2019 (production)|2019]], a little over a month before the [[Series 12 (Doctor Who)|previous series]] began airing.<ref>https://www.radiotimes.com/news/tv/2019-11-21/doctor-who-series-13-happening/</ref>

In [[May (production)|May]] [[2017 (production)|2017]], it was announced that due to the terms of a deal between [[BBC Worldwide]] and [[SMG Pictures]] in [[China]], the company has [[Right of first refusal|first right of refusal]] on the purchase for the Chinese market of past and future series and spin-offs of the programme.<ref>http://www.radiotimes.com/news/2017-06-03/the-bbc-is-already-preparing-for-at-least-five-more-series-of-doctor-who</ref><ref>http://www.bbc.co.uk/mediacentre/worldwide/2017/doctor-who-china</ref>

In [[October (production)|October]] [[2019 (production)|2019]], it was revealed that due to the show heading to [[HBO Max]], the network had struck a deal for additional series of the programme.<ref>https://vocal.media/futurism/doctor-who-series-13-and-14-confirmed-hbo-max-reveals-but-will-whittaker-stick-around</ref>

Whittaker briefly mentioned her return in ''[[Doctor Who Magazine]]''{{which}} on [[9 December (production)|9 December]] 2019, a little under a month before series 12.<ref name="WhitBack">https://vocal.media/futurism/jodie-whittaker-confirms-return-for-series-13-as-work-on-the-next-doctor-who-series-begins</ref> She later spoke about it publicly to ''Entertainment Weekly'' on [[22 January (production)|22 January]] [[2020 (production)|2020]].<ref>https://ew.com/tv/2020/01/22/jodie-whittaker-doctor-who-3/</ref>

=== Promotional material ===
Following the broadcast of ''[[Revolution of the Daleks (TV story)|Revolution of the Daleks]]'' on [[New Year's Day]] [[2021 (releases)|2021]] was [[Welcome to the TARDIS... (TV story)|an introduction clip]] promoting this series featuring two men loading a truck while reading horoscopes. The horoscope in question read amongst others that "''lucky number is 13, the colour blue will be important''", the camera then pans to [[John Bishop]] and flashes a few brief clips of various sequences from the upcoming series. This new upcoming companion was later revealed to be named "Dan". Bishop himself said of the experience: ''If I could tell my younger self that one day I would be asked to step on board the TARDIS, I would never have believed it. ''<ref>https://www.doctorwho.tv/news/?article=john-bishop-boards-the-tardis-for-series-13#_</ref>

On [[25 July (production)|25 July]] [[2021 (production)|2021]] [[San Diego Comic-Con|San Diego Comic Con @ Home]] was held to promote the new series, with [[John Bishop]], [[Mandip Gill]] [[Jodie Whittaker]] and [[Chris Chibnall]], in which they talked about the changes made to the series along with what it was like to work on set during pandemic times and their favourite things about it, also each sharing a word to describe the series: ''"Riveting", "Inspirational", "Mysterious"'' and "''Swarm''". The panel also introduced a special guest [[Jacob Anderson]] as recurring character Vinder. At the end of the panel, the Series 13 trailer was shown, and following that it was released on the Doctor Who YouTube Channel.<ref name="SDCC" /> At the panel were also shown publicity photos of the new Team TARDIS and Vinder, respectively.<ref name="SDCC" />

On [[29 July (production)|29 July]] it was announced on the ''Doctor Who'' website that [[Jodie Whittaker]] and [[Chris Chibnall]] would be handing over the control of the show to someone else following a 6-part event series and a trio of specials stretching all the way into autumn [[2022 (production)|2022]] as part of the [[BBC]] Centenary celebrations. Chibnall said of the experience: "''Jodie and I made a “three series and out” pact with each other at the start of this once-in-a-lifetime blast. So now our shift is done, and we’re handing back the [[Doctor Who|TARDIS keys]]. Jodie’s magnificent, iconic Doctor has exceeded all our high expectations. She’s been the gold standard leading actor, shouldering the responsibility of being the first female Doctor with style, strength, warmth, generosity and humour. She captured the public imagination and continues to inspire adoration around the world, as well as from everyone on the production. I can’t imagine working with a more inspiring Doctor – so I’m not going to!''" to which Whittaker adds: "''In [[2017]] I opened my glorious gift box of [[Thirteenth Doctor|size 13 shoes]]. I could not have guessed the brilliant adventures, worlds and wonders I was to see in them. My heart is so full of love for this show, for the team who make it, for the fans who watch it and for what it has brought to my life. And I cannot thank Chris enough for entrusting me with his incredible stories.''"<ref name="JodieQuit" >https://www.doctorwho.tv/news/?article=jodie-whittaker-chris-chibnall-leave-doctor-who&fbclid=IwAR3A9ANDWO26rbv8DgTxk99z-g6YijMlLw1ngyJ87mEBVaw3SIms7p2gIaI</ref>

On [[16 August (releases)|16 August]] the Official ''Doctor Who'' social media accounts posted a new publicity photo. The photo featured Jodie Whittaker, Mandip Gill and John Bishop as the Doctor, Yaz and Dan, respectively, in front of a graffitied brick wall.<ref>https://cultbox.co.uk/news/headlines/new-doctor-who-photo-released-possibly-from-2022-new-years-special</ref>

On [[18 August (releases)|18 August]] [[BBC America]], in conjunction with [[AMC Channels]], released a summary of the upcoming series. In this summary it was revealed the Series would have "''terrifying new adversaries''" as well as "''truly iconic old enemies''" and that the Doctor would "''be questioning everything about her past''" and that she would  "''undoubtedly be searching for answers''". The summary further said that the audience should expect "action", "fun", "scares", "new worlds" and that [[Team TARDIS]] would be confronting "a deadly evil".<ref name="Summary">https://cultbox.co.uk/news/doctor-who-series-13-the-doctor-searches-for-answers-in-her-past</ref>

On [[19 August (releases)|19 August]] [[Chris Chibnall]] told ''[[Doctor Who Magazine]]''<ref>https://twitter.com/DWMtweets/status/1427281139761356804</ref> that he was originally only supposed to do 8 episodes consisting of the 6-part serial and two specials, but earlier in the year was contacted by [[BBC]] [[Director of Content]] [[Charlotte Moore]] about doing a celebratory Centenary Special, to which he agreed and following that "''numbers were crunched, conversations were had, deep breaths were taken, more testing kits were ordered, and contracts were extended''".<ref name="Centenary" >https://cultbox.co.uk/news/headlines/doctor-who-showrunner-chris-chibnall-hints-filming-on-remaining-special-will-wrap-in-2021</ref>

On [[2 October (releases)|2 October]], a 5 second "[[The Flux is Coming... (webcast)|interruption]]" was broadcast on [[BBC One]] featuring the [[Thirteenth Doctor]] in the [[The Doctor's TARDIS|TARDIS]] attempting to get the audiences attention before being cut off by static noise.<ref>https://www.radiotimes.com/tv/sci-fi/doctor-who-teaser-season-13-newsupdate/?fbclid=IwAR3y4D2LWXU-XD2cyx5AuAq3IaPfHGrCE-57jMn1vrX7HLLKxKTCRnclIaM</ref><ref name="Shutdown" >https://cultbox.co.uk/news/headlines/doctor-who-media-accounts-disappear-ahead-of-series-13</ref>

The same "interruption" was shown on [[3 October (releases)|3 October]], this time a bit clearer.<ref>https://twitter.com/jamezevans123/status/1444674903345610756?s=21</ref><ref name="Shutdown" />

On [[4 October (releases)|4 October]] the "interruption" was broadcast again, with the same change as before being that it became a bit clearer picture.<ref>https://twitter.com/bbcwilliamwho/status/1445087262480519174?s=21</ref><ref name="Shutdown" />

The “interruption” was put out once more on [[5 October (releases)|5 October]], again with minor changes making it clearer than before.<ref>https://twitter.com/bbcwilliamwho/status/1445480813315780612?s=21</ref><ref name="Shutdown" />

The “interruption" aired once again on [[6 October (releases)|6 October]], once again a little clearer than before.<ref>https://twitter.com/whovianlife/status/1445796895050244102?s=21</ref><ref name="Shutdown" />

In the [[SFX (magazine)|SFX Magazine]] issue released on 6 October it was revealed that the release date of Series 13 was "imminent" as given in this message: "'' YES, IT’S THIRTEEN’S LAST FULL SERIES AND YES, IT’S ONLY SIX episodes, but it’s landing imminently (yes, there’s an embargo) and there’s a new companion (or possibly two?). It’ll come as little surprise that details are very thin on the ground for Jodie Whittaker’s final “full” series, but we can confirm that John Bishop joins the “fam” as Dan, and Jacob Anderson guest stars as Vinder alongside Mandip Gill as Yaz.''", alongside 3 exclusive images from the series itself.<ref>https://cultbox.co.uk/news/headlines/doctor-who-series-13-is-landing-imminently</ref>

On the same date, the ''Doctor Who'' social media accounts posted a picture of a [[Sontaran]] [[Sontaran flagship|flagship]] hovering above the [[Liverpool]] docks at [[George's Pier Head]].<ref>https://twitter.com/bbcdoctorwho/status/1445848893112061953?s=21</ref><ref name="Shutdown" /> This spacecraft was reportedly projected across the night sky.<ref>https://www.explore-liverpool.com/doctor-who-spaceship-sighted-in-liverpool-ahead-of-the-return-of-bbc-series/</ref>

On [[7 October (releases)|7 October]] the “interruption” was aired yet again, however, contrary to previously, this time it was made more static.<ref>https://twitter.com/bbcwilliamwho/status/1446183225152442374?s=21</ref><ref name="Shutdown" />

At 5 PM BST on [[8 October (releases)|8 October]], the ''Doctor Who'' social accounts posted the "interruption”.<ref>https://twitter.com/bbcdoctorwho/status/1446505670975672323?s=21</ref><ref name="Shutdown" />

Shortly after, they cryptically posted "''++ ---/CAN YOU HEAR ME?/ ---++''", the same message as given in the static-filled "interruption", followed by an immediate shutdown of all active ''Doctor Who'' social media accounts.<ref>https://twitter.com/bbcdoctorwho/status/1446517045064081440?s=21</ref><ref name="Shutdown" />

Later that same day, the "interruption" was broadcast again. This time with no changes at all to the static.<ref>https://twitter.com/bbcwilliamwho/status/1446545575999164422?s=21</ref><ref name="Shutdown" />

Early in the morning on [[9 October (releases)|9 October]] the [[BBC]] reactivated the [[Doctor Who website|''Doctor Who'' website]] with a big announcement titled ''[[Have You Seen The Aliens Terms and Conditions (short story)|Have You Seen The Aliens Terms and Conditions]]'', in which the Doctor asked anyone to call her if they had seen any aliens around the area.<ref>https://www.bbc.co.uk/programmes/articles/2mG0XJnLCtz7tdBGRH0vWM3/have-you-seen-the-aliens-terms-and-conditions</ref>

During that same day the "interruption" was played on big advertising screens around [[Liverpool]] with the tagline "''It’s Coming, Be Ready''" written in the same style as the ''Doctor Who'' logo.<ref>https://twitter.com/bbcwilliamwho/status/1446799641719316486?s=21</ref>

Also that day, the BBC had an "Incoming Message" shown on billboards around Liverpool, which showed prints of various dangers to come and the [[phone number]] [[0800 678 3110 (phone number)|0800 678 3110]] to call to report sightings of any aliens.<ref>https://cultbox.co.uk/news/doctor-who-series-13-promotional-team-releases-the-doctors-phone-number</ref>

In the evening on that same on, all the ''Doctor Who'' social media accounts went back up and with a new poster featuring the [[Thirteenth Doctor]], announced that the new series would be called ''Flux'' and would begin broadcast on [[31 October (releases)|31 October]] [[2021 (releases)|2021]], lining up with [[Halloween]]. Along with it was released the finished version of the "interruption" on [[YouTube]], as a webcast named ''[[The Flux is Coming... (webcast)|The Flux is Coming...]]'', which had the Doctor reveal that something called [[The Flux]] was coming and bringing with it [[Sontaran]]s, [[Weeping Angel]]s and creatures called the Ravagers and other enemies from across the universe, and that this to be the fight of their lives.<ref name="Flux" >https://cultbox.co.uk/news/headlines/doctor-who-series-13-premieres-october-13-with-flux</ref><ref>https://www.doctorwho.tv/news/?article=doctor-who-flux-premieres-october-halloween&cm_mmc=ExactTarget-_-email-_-DW163_Newsletter_09102021-_-email&utm_medium=Email&utm_source=ExactTarget&utm_campaign=DW163_Newsletter_09102021</ref>

After all that, the ''Doctor Who'' [[Twitter]] posted a ''The Doctor Returns'' [[Gif|gif]].<ref>https://twitter.com/bbcdoctorwho/status/1446941117421871106?s=21</ref>

On [[14 October (releases)|14 October]] the ''[[Doctor Who Magazine]]'' [[DWM 570|issue number 570]] was released which offered a look at the new [[Sontaran]]s, revealing them to be similar to the design from [[1974]] story ''[[The Time Warrior (TV story)|The Time Warrior]]''. Furthermore, DWM revealed the list of writers for ''Flux'', with all episodes being solely written by Chibnall except episode 4, which was co-written by [[Maxine Alderton]]. Of the new format, Whittaker mentioned the familiarity of it, having lived it on Broadchurch and further said of the series: "''This season is going to take you on a labyrinthine adventure, the Doctor is going to find things out about herself and is going to face some of her biggest and oldest foes. And she won’t be able to do any of that without Yaz and Dan standing by her side.''"<ref name="Reveals" />

Chibnall further stated that the series would start off with "''cataclysmic events''".<ref name="DWM" />

In the evening on that date, the ''Doctor Who'' social accounts asked fans if they wanted a trailer the following day, using a “It’s Coming, Be Ready" gif.<ref>https://twitter.com/bbcdoctorwho/status/1448695095780315142?s=21</ref>

On [[15 October (releases)|15 October]], [[Jodie Whittaker]] appeared on ''The Graham Norton Show'' talking about the new series, saying that she had filmed her [[regeneration]] scene, but didn’t know who the [[Fourteenth Doctor]] would be. She further said that: "''I’m not allowed to tell you anything, but I can say the first episode is out on [[Halloween]] and it is a six-episode story arc – it’s like a six-hour film and it is amazing.''".<ref>https://www.radiotimes.com/tv/sci-fi/jodie-whittaker-doctor-who-regeneration-scene-newsupdate/</ref>

The second trailer was also released, giving a further look into what could be expected from the upcoming series, naming it as "''one epic story over six thrilling chapters''". [[Matt Strevens]] said of the series "''I can’t wait for the audience to come on the Flux ride with us. It’s our biggest adventure yet with so many brilliant new characters to fall in love with. We had a blast making it.''"<ref name="Cast" >https://www.bbc.co.uk/mediacentre/2021/doctor-who-series-13-guest-actors-monsters?fbclid=IwAR3tu72dcbAyeGW6mzQ2RxImD_q3RMXOFCAWwYZRDXRipythMxJSN-WwxP0</ref><ref name="Trail" >https://cultbox.co.uk/news/headlines/new-trailer-and-casting-news-for-doctor-who-flux</ref>

That same date, [[John Bishop]] told in an interview with [[The Times]] that his character Dan gets to live throughout the entire experience and that he, Yaz and the Doctor would have some banterish moments throughout it all.<ref>https://cultbox.co.uk/general/john-bishop-and-dan-lewis-survive-doctor-who</ref>

At a press event held on [[19 October (releases)|19 October]], [[Chris Chibnall]] revealed further details about the series, namely the release of new promotional pictures along with an additional list of guest characters.<ref name="Digi" >https://cultbox.co.uk/news/headlines/doctor-who-flux-air-time-new-images-and-casting-news</ref>

Speaking at a webinar on [[20 October (releases)|20 October]], Chibnall further promised the series would "''blow up the universe''" and that it would consist of the "''biggest-ever cliffhangers''".<ref>https://www.radiotimes.com/tv/sci-fi/doctor-who-chris-chibnall-blow-up-universe-series-13-newsupdate/</ref>

On the same date the title of the first episode was released by the ''Doctor Who'' accounts, calling it ''[[The Halloween Apocalypse (TV story)|The Halloween Apocalypse]]'', and releasing it alongside a synopsis promising that "''an ancient evil is breaking free''"<ref>https://cultbox.co.uk/news/headlines/doctor-who-flux-chapter-1-titled-the-halloween-apocalypse</ref>

On [[24 October (releases)|24 October]], another batch of promotional pictures were released to the public, picturing several of the characters to appear in the series.<ref name="Promo" >https://cultbox.co.uk/news/headlines/doctor-who-flux-new-character-images-and-clues</ref>

Same day, the [[BBC]] shared an interview with [[Matt Strevens]] in which he revealed that the new series evolved late in the day after the [[COVID-19]] pandemic struck again, saying that the end result turned out to be something completely new, saying "''I can honestly say it’s not like the previous two series. It’s huge in its scope and its scale and the jeopardy.''".<ref name="Timeless" />

Another interview was shared, this being with Jodie, in which she spoke about what it was like filming her last series and whether it had changed her way of approaching a different serialised format and what it's like to be recognized on the street, finally describing the series as a "''self discovery rollercoaster''".<ref name="S13" />

On [[25 October (releases)|25 October]], [[Radio Times]] revealed the title of the second episode, ''[[War of the Sontarans (TV story)|War of the Sontarans]]'' along with the synopsis promising a pitched battle between the [[Sontaran]]s and the [[British Army]] and an "''ancient temple hides mysterious secrets''".<ref name="Ep2" >https://cultbox.co.uk/news/headlines/doctor-who-flux-second-chapter-title-and-synopsis</ref>

That same day, a third interview was shared, this being with [[Mandip Gill]] in which she talks about [[Yasmin Kahn|Yaz]]’s journey through the series, what it was like introducing [[John Bishop]] to the ''Doctor Who'' family, working with the guest cast and highlights of the series, in the end calling the series "''an emotional rollercoaster''".<ref>https://www.doctorwho.tv/news/?article=mandip-gill-interview-doctor-who-flux-series-13-yasmin-khan&fbclid=IwAR0nYJBLtagCztg-U-woo1Jebzt7oOPEJlI_4GZtEnFxaat7VlhukfiyFmg</ref>

Later that day, Bishop appeared on ''The One Show'', where he, amongst other things, talked about ''Doctor Who'' and his role on the show, to which was shared a "First Look" at the upcoming series 13, showing his character [[Dan Lewis]] answering the door on [[Halloween]].<ref>https://www.bbc.co.uk/iplayer/episode/m0010zxn/the-one-show-25102021</ref>

On [[26 October (releases)|26 October]] at a press interview, Whittaker revealed to ''TV & Satellite Week'' and ''TV Times'' that "''there’s a lot of silence''" in the series also saying "''It has got so many elements but one of them is ‘unsettling’, so I’m going to say that.''". The magazines also revealed a few set images from the upcoming series.<ref>https://cultbox.co.uk/news/jodie-whittaker-says-theres-a-lot-of-silence-in-doctor-who-flux</ref>

Same day, [[Mandip Gill]] revealed to ''Metro Entertainment'' that at the end of the series she cried and warned fans that they would too, also saying that Yaz would come back still with some questions but as a more developed person, now ready to take on [[police officer]] duty more confidently.<ref>https://metro.co.uk/2021/10/26/doctor-who-mandip-gill-cried-at-end-of-series-13-and-fans-will-too-15489464/</ref>

On [[28 October (releases)|28 October]], Gill appeared on ''[[BBC Breakfast]]'' speaking about her experience on the show, saying "''I am on something that is so big and watched by so many people''".<ref>https://twitter.com/bbcbreakfast/status/1453638872731197442?s=21</ref>

Same day, Whittaker spoke about Bishop's character to ''Inside Soap'', saying that "''both Dan and the Doctor are on the precipice of something huge, personally''" while Bishop himself also spoke to all the various magazines [all mentioned on this Wiki article] about his experience.<ref>https://cultbox.co.uk/news/dan-lewis-accidental-hero-of-doctor-who-flux</ref>

On [[29 October (releases)|29 October]], Gill spoke to ''Entertainment'' where she revealed that her and Whittaker argued so ferociously on set, as part of their natural banter, that it made newcomer [[John Bishop]] a bit uncomfortable. She also mentioned how Bishop was just in awe about everything on the show and refusing to tell whether she was leaving.<ref>https://ew.com/tv/doctor-who-mandip-gill-jodie-whittaker/</ref>

Same day the [[BBC]] released a few press photos of [[Team TARDIS]] on colourful backgrounds.<ref>https://www.tvzoneuk.com/post/doctorwhoflux-presshots1</ref>

On [[1 November (releases)|1 November]] a ''First Look'' trailer for the second episode was released, showing a battle between [[Crimean War]] soldiers and [[Sontaran]] [[warrior]]s.<ref>https://www.blogtorwho.com/video-doctor-who-flux-war-of-the-sontarans-extended-trailer/</ref>

On [[2 November (releases)|2 November]], the title of the third episode, ''[[Once, Upon Time (TV story)|Once, Upon Time]]'' was revealed by ''TV Zone UK'' along with a synopsis promising the [[Team TARDIS]] would "''face a battle to survive''".<ref>https://www.tvzoneuk.com/post/dwflux-ep3synopsis</ref>

On [[5 November (releases)|5 November]] the fourth episode's title and synopsis were revealed on ''TV Zone UK'', being ''[[Village of the Angels (TV story)|Village of the Angels]]'' and promising "''a little girl gone missing''" and a "''Cursed Village''"<ref name="Angels">https://www.tvzoneuk.com/post/dwflux-ep4schedule</ref>

On [[8 November (releases)|8 November]], a ''First Look'' trailer for the third episode was released, showing a fight throughout time and space.<ref>https://m.facebook.com/watch/?v=617891196293869&_rdr</ref><ref name="Promo3">https://cultbox.co.uk/news/headlines/doctor-who-flux-once-upon-time-trailer-and-image-breakdown</ref>

On [[9 November (releases)|9 November]] a whole new set of promotional pictures for episode 3 were released to the public by ''TV Zone UK''.<ref>https://www.tvzoneuk.com/post/dwflux-ep3pics</ref><ref name="Promo3" />

On [[11 November (releases)|11 November]], [[Sam Spruell]] and [[Rochenda Sandall]] spoke to ''[[Doctor Who Magazine]]'' about their characters [[Swarm (The Halloween Apocalypse)|Swarm]] and [[Azure (The Halloween Apocalypse)|Azure]], revealing that they want be the next [[Big Bang]] and cause chaos and that Swarm has an obsession with [[the Doctor]].<ref>https://cultbox.co.uk/news/doctor-who-flux-everything-known-about-the-ravagers</ref>

Same day, ''TV Zone UK'' revealed the title and synopsis for episode five, ''[[Survivors of the Flux (TV story)|Survivors of the Flux]]'', promising "''perilous journeys''" and "''unsurmountable obstacles''".<ref name="Ep5" >https://www.tvzoneuk.com/post/dwflux-ep5title</ref>

On [[15 November (releases)|15 November]], a ''First Look'' trailer for episode four was released, revealing a whole village full of [[Weeping Angel]]s and a little girl gone missing.<ref>https://twitter.com/bbcdoctorwho/status/1460276415627206661?s=21</ref>

On [[16 November (releases)|16 November]], a bunch of new images from the fourth episode were released.<ref>https://www.tvzoneuk.com/post/dwflux-ep4-firstlook</ref>

Same day, the title of sixth and final episode of the series was revealed, ''[[The Vanquishers (TV story)|The Vanquishers]]'', along with a synopsis telling that "''all hope is lost''" and that "''the forces of darkness are in control''".<ref>https://www.tvzoneuk.com/post/dwflux-ep6title</ref>

On [[18 November (releases)|18 November]], the official ''Doctor Who'' accounts promoted the [[Centenary Special]], announcing officially that the [[Thirteenth Doctor]] would see her last outing in the special due to air in [[Autumn]] [[2022 (releases)|2022]].<ref>https://www.radiotimes.com/tv/sci-fi/doctor-who-jodie-whittaker-final-episode-newsupdate/?fbclid=IwAR0Mzm9g4Jb2PU9p4atyzY1IJYVM9TSIfOt-PHYzCEMeLW5L2rSaMkZgEmI</ref>

=== #FindTheDoctor ===
[[File:FindTheDoctor promo image.jpeg|thumb|right|The Doctor, Yaz and Dan and some mysterious numbers]]
{{Main|FindTheDoctor (series)}}
On [[25 July (production)|25 July]] [[2021 (production)|2021]] the [[BBC]] [[Doctor Who website|''Doctor Who'' website]] released a “mystery” puzzle that had to be solved as part of a new ''[[FindTheDoctor (series)|#FindTheDoctor]]'' series leading up to Series 13.<ref>https://www.doctorwho.tv/mystery?fbclid=IwAR1m_0cq9zfNTq1SABvt3Y-3AZPIX9jVgZb2rVYPaCKDi4j7JKOjDuRWliM</ref>

The prime objective was to search for letters and/or numbers which were part of a larger password that would eventually unveil a hidden page on said website; the clues were as follows:
# ''[https://www.doctorwho.tv/mystery?fbclid=IwAR1m_0cq9zfNTq1SABvt3Y-3AZPIX9jVgZb2rVYPaCKDi4j7JKOjDuRWliM /mystery]'': D
# ''[[A Message from Yaz (webcast)|A Message from Yaz]]'': C
# '''''Promotional image''''': 5 (look here)
# ''[[John Smith's Google Maps reviews (short story)|John Smith's Google Maps reviews]]'': E
# ''[[What’s the Doctor reading (short story)|What’s the Doctor reading]]'': G
# ''[[La Boîte Bleue (short story)|La Boîte Bleue]]'': Y
# ''[[Unknown object—RHCTDM-OEI-OLOAW/0209]]'': V
# ''[[Mary Shelley (short story)|Mary Shelley]]'': A
# ''[[An almost complete mystery]]'': N
# ''[[A Message (webcast)|A Message]]'': V
# ↳: ETE

The prize received from completing the ARG and typing in the password was a voice message reply from the [[Thirteenth Doctor]] as presented in ''[[A Message from the Doctor (webcast)|A Message from the Doctor]]'', also offering a brief look at a new villain. Along with it came an exclusive promo photo of the Doctor.<ref name="ARG" >https://cultbox.co.uk/news/findthedoctor-clues-lead-to-new-image-of-the-doctor-and-glimpse-of-new-doctor-who-monster</ref>

As a follow-up, the [[BBC]] released a statement video from [[Jodie Whittaker]] on [[24 September (releases)|24 September]] [[2021 (releases)|2021]] thanking all the fans for getting involved in the adventure, ''#FindTheDoctor''. She further revealed that there would be much more Series 13 news in the coming days up to the actual broadcast of it.<ref>https://twitter.com/bbcdoctorwho/status/1441375241322831872?s=21</ref>

== Adaptations and merchandising ==
=== Home media ===
''to be added''

== Stories set during this season ==
=== Novels ===
''to be added''

=== Comics ===
* "''[[Doctor Who 2021 Event (comic story)|Doctor Who 2021 Event]]''"<ref>https://cultbox.co.uk/news/headlines/doctor-who-series-13-captain-jack-novel-ties-in-with-episode-2</ref> (suspended until further notice<ref>https://cultbox.co.uk/news/headlines/plans-for-doctor-who-captain-jack-graphic-novel-suspended</ref>)

== Footnotes ==
{{reflist|3}}

{{DWTV}}
{{Series 13 aliens}}

[[Category:Doctor Who seasons]]
[[Category:Contains spoilers]]