Last updated 12 August 2023

Flux: Chapter One

Series Episode Number: 863

World Premiere: Sun 31 Oct 2021 - 2:25pm EDT [BBC America]
First Broadcast: Sun 31 Oct 2021 - 6:26pm GMT [BBC One] (United Kingdom)
Running Time: 49 minutes 55 seconds

5.81 Million (UK)

Appreciation Index: 76 (UK)

Audience Share: 26.9%(i) (UK)
Chart Position: 8 (BARB Week (Four Screen inc pre-transmission)) (UK)

On Halloween, all across the universe, terrifying forces are stirring. From the Arctic Circle to deep space, an ancient evil is breaking free. And in present-day Liverpool, the life of Dan Lewis is about to change forever.

Why is the Doctor on the trail of the fearsome Karvanista? And what is the Flux?

Production Team
WriterChris Chibnall
DirectorJamie Magnus Stone
Co-Executive ProducerNikki Wilson
Executive ProducerChris Chibnall
Executive ProducerMatt Strevens
Casting DirectorAndy Pryor CDG
MusicSegun Akinola
EditorJoel Skinner
Director of PhotographyRobin Wheanary
Production DesignerDafydd Shurmer
Costume DesignerRay Holman
Make-up DesignerClaire Pritchard-Jones
Prosthetics DesignerDanny Marie Elias
Line ProducerSteffan Morris
Executive Producer for the BBCBen Irving
Sound RecordistDelan Llyr Humphreys
Dubbing MixerNatasha Haycocks
Dubbing MixerHoward Bargroff
Visual EffectsDNEG TV
Special Effects Real SFX
Creature Effects Robert Allsopp & Associates
Production ExecutiveTracie Simpson
Post Production SupervisorCeres Doyle
Production AccountantRhys Evans
Supervising Production ManagerIwan Roberts
Assiatant ProducerSheena Bucktowtowonsing
Script EditorCaroline Buckley
Script EditorRebecca Roughan
ColouristGareth Spensley
Head of ProductionJacquie Glanville
Stunt coordinatorCrispin Layfield
First Assistant DirectorChristopher J Thomas
2nd Assistant DirectorLauren Pate
3rd Assistant DirectorJennifer Day
Assistant DirectorJac Lewis
Assistant DirectorLaura Thompson
Production ManagerDelmi Thomas
Production CoordinatorSandra Cosfeld
Assistant Production CoordinatorJade Stephenson
Production SecretaryNikhil Theva Raj
Production Office RunnerEtty Stanley
Production Office RunnerEllie Hilton
Executive AssistantCaroline Cook
Location ManagerGareth Roberts
Unit ManagerJac Jones
Covid ManagerPete Levy
Covid CoordinatorEllia Simmons
Covid AssistantKyle Yates
Covid AssistantJonny Tarr
Cast Payroll AccountantHelen Searle
Crew Payroll AccountantBethan Wray
Assistaint AccountantKate Barber-Williams
Assistaint AccountantKim Dyer
Contracts BookerLeanne Bowcott
Camera OperatorMark McQuoid
Focus PullerJonathan Vidgen
Camera AssistantDan Patounas
Camera TraineeEvangeline Davies
Key GripJohn Robinson
Assistant GripMatt Clark
Script SupervisorVicky Cole
Sound Maintenance EngineerChristopher Goding
Sound Maintenance EngineerJoe Molone
GafferMark Hutchings
Rigger GafferAndy Gardiner
Best BoyGareth Sheldon
ElectricianGawain Nash
ElectricianStuart Gale
ElectricianMatthew Hutchings
ElectricianRhodri Moses
Construction Art DirectorJulia Jones
Art DirectorRebecca Brown
Standby Art DirectorCerys Lewis
Set DecoratorVicki Male
Production BuyerBillie Blue Williams
Action Props BuyerMilannah Faith Summers
Petty Cash BuyerSally Sharp
DraughtsmanLauren Harper
DraughtsmanAlex Roberts
Trainee DraughtpersonRachel Ellis
Art Department CoordinatorHannah Miller
Art Department AssistantLaura Honeybun
Props MasterPaul Aitken
Standby PropsMatthew Ireland
Standby PropsMelissa Sheppard
Standby PropsLewis Reece
Prop HandDewi Thomas
Prop HandJohn Thomas
Prop HandLiv Cheung
Prop HandTom Major
Prop HandChristopher Ahearne
StoremanLucy Hookings
Workshop ManagerMark Hill
Workshop AssistantChris Slocombe
Concept ArtistLouis Knight
Graphic DesignerStephen Fielding
Trainee Graphic DesignerLois Drage
Head ModelmakerLee Radford
ModelmakerPenny Howarth
ModelmakerLee Price
Props DriverPaul Carmichael
Practical ElectricianRobert Hearne
Practical ElectricianMatthew Dunford
RiggingShadow Scaffolding
Standby RiggerAlex Herbert
Construction ManagerTom Berrow
Construction ChargehandDan Berrow
Construction ChargehandJonathan Tylke
CarpenterSam Burridge
CarpenterCampbell Fraser
CarpenterMatt Gronlow
CarpenterRhys Andrews
CarpenterDean Tucker
CarpenterDavid Hobbs
CarpenterBen McDonald
CarpenterAshley Bullock
CarpenterMike Venables
CarpenterJulian Tucker
Construction AssistantMarcus Scholl
CNC ProgrammerKristian Tucker
Standby CarpenterColm Garrett
Construction DriverDarren Bousie
HOD PainterScenic Steve
PainterLloyd Reece
PainterMark Reece
Scenic PainterAlison Drene
Scenic PainterRachel Willsher
PlastererDavid Williams
PlastererJason Tylke
Assistant Costume DesginerSimon Marks
Costume SupervisorIan Fowler
Costume AssistantAndie Mear
Costume AssistantNadia Cucinella
Costume CutterBrighde Penn
Costume TraineeYiwen Lin
Make-Up SupervisorEmmer Cowen
Make-Up ArtistAmy Riley
Make-Up ArtistAngharad Walsh
Junior Make-up ArtistIndia Jones
Prosthetics ArtistAmy Paul
Junior Prosthetics ArtistElly Suggit
Junior Prosthetics ArtistAshley Lovett
Prosthetics TraineeTara Kemp
Prosthetics TraineeNyle Pritchard-Trew
Prosthetics Office AssistantGwenno Hughes
Unit DriverPaul Watkins
Unit DriverJolyon Davey
Unit DriverSteve Darwent
Unit MedicGlyn Evans
Unit MedicAndy Jones
Casting AssociateRi McDaid-Wren
Casting AssistantRay Bohm
Business AffairsElaine Evans
Business AffairsKyle Parsons
Business AffairsSteve Robson
Assistant EditorHayley Williams
Assistant EditorBrooke Taylor Michael
VFX EditorEmily Lawrence
Assistant VFX EditorAlastair Grey
Additional VFX BBC Wales Graphics
Additional VFXZodiak VFX
Post Production CoordinatorLiv Duffin
Sound DesignerHarry Barnes
ADR EditorMatthew Cox
Dialogue EditorDarran Clement
Foley Bang Post Production
Online EditorChristine Kelly
Assistant Online EditorLuke Stanbury
Music Orchestrated byAlec Roberts
Recorded byPaul Golding
Mixed ByGoetz Botzenhardt
Title MusicRon Grainer
Title SequenceBen Pickles
Sontarans created byRobert Holmes
Weeping Angels created bySteven Moffat