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"The end of the universe. I always wondered what it would feel like."
The Doctor
"The Halloween Apocalypse"
Series Doctor Who
Season 13, Episode 1
Doctor Who 13x01 001
Air date October 31st, 2021
Writers Chris Chibnall
Director Jamie Magnus Stone
Producers Chris Chibnall; Matt Strevens; Nikki Wilson; Sheena Bucktowonsing; Tracie Simpson; Ben Irving; Steffan Morris
Starring Jodie Whittaker; Mandip Gill; John Bishop
Episode guide
Previous
"The Timeless Children"
"Revolution of the Daleks"
Next
"War of the Sontarans"

"Flux (Chapter One): The Halloween Apocalypse" is the first episode of series 13 of the Doctor Who revival series. It was directed by Jamie Magnus Stone with a script written by Chris Chibnall. It first aired on BBC One in the United Kingdom on Sunday, October 31st, 2021.

Synopsis[]

The Doctor and Yasmin Khan narrowly escape a booby trap orchestrated by Karvanista of the Lupari. As the canine Lupari are each species-bonded to a human, Karvanista journeys to Earth where he abducts his assigned human, Dan Lewis and brings him aboard his ship. The Doctor and Yasmin find that Dan's apartment and has been shrunken... and stolen! They trace it to Karvanista's ship and free Dan, whereupon the Doctor learns about the Flux - a cosmic phenomena that threatens to wipe out... well, pretty much everything. As usual, there is little time for planning and preparation as the Flux has already begun to work its way through the Milky Way Galaxy. The Doctor convinces Karvnista to have the inbound Lupari fleet use their inter-locking ships to form a protective sphere around the Earth.

Meanwhile, an ancient alien known as the Swarm, who has been imprisoned for untold millennia breaks free and kills his captors. He comes to Earth, where he reunites with his sister, Azure, who has been masquerading as an Earth woman named Anna. Swarm makes telepathic contact with the Doctor, who has no memory of their past altercations.

Elsewhere, a psychic woman named Clair finds herself being terrorized by a Weeping Angel.

In outer space, the Sontarans learn about the Flux, and overjoyed at the prospect of total annihilation. Commander Ritskaw signals the call to battle.

Cast[]

Starring[]

Actor Role
Jodie Whittaker The Doctor
Mandip Gill Yasmin Khan
John Bishop Dan Lewis

Guest Starring[]

Actor Role
Craige Els Karvanista
Steve Oram Joseph Williamson
Nadia Albina Diane
Sam Spruell Swarm
Rochenda Sandall Azure/Anna
Jacob Anderson Inston-Vee Vinder
Jonathan Watson Ritskaw
Dan Starkey Kragar

Co-Starring[]

Actor Role
Matthew Needham Old Swarm
Sarah Amankwah En Sentec
Charlie Oscar K-Toscs
Richard Tate Wilder
Paul Leonard James Stonehouse
Heather Bleasdale Wilma
John May Kev
Gunnar Cauthery Jón
Barbara Fadden Weeping Angel

Notes & Trivia[]

Allusions[]

  • There are no allusions available for this episode at this time. Be the first to add some! Just click on the edit tab under the section heading and start typing. An allusion is an incidental reference made to a character, person, event or other miscellaneous piece of media that can be found somewhere in the episode itself. In most cases, this refers to characters or events from previous episodes.

Quotes[]

  • The Doctor: Synchronize watches. Forget that: I'm not wearing a watch.

....

  • The Doctor: I can't help feeling that some of this is my fault.
  • Yasmin Khan: Some? All of this is your fault!

....

  • The Doctor: This is impossible. The end of the universe is chasing us.

....

....

....

  • The Doctor: The end of the universe. I always wondered what it would feel like.

See also[]

Media

The World of Doctor Who

Doctor Who miscellaneous

External Links[]


Doctor Who S13 logo
Flux
This article pertains to an episode from series thirteen of the Doctor Who revival series.
This template will categorize articles that include it into the Doctor Who (2005)/Season 13 episodes category.