Last updated 24 March 2024


Episode One

Series Episode Number: 330

World Premiere: Sat 30 Dec 1972 - 5:51pm GMT [BBC One] (United Kingdom)
First Broadcast: Sun 4 Sep 1983 - 11:00pm CDT [WTTW 11 Chicago]
Running Time: 24 minutes 39 seconds

9.60 Million (UK)


Chart Position: 41 () (UK)

Recorded on Mon 27 Nov 1972 in TC1
Archive State: PAL 2 VT



In search of the Doctor, an antimatter creature attacks UNIT and the Doctor is forced to send an SOS to his people, the Time Lords, but they have troubles of their own.

Characters hide uncredited
Dr. WhoJon Pertwee
Dr. WhoPatrick Troughton
Dr. WhoWilliam Hartnell
Jo GrantKaty Manning
Brigadier Lethbridge-StewartNicholas Courtney
Sergeant BentonJohn Levene
Dr. TylerRex Robinson
President of the CouncilRoy Purcell
Mr. OllisLaurie Webb
ChancellorClyde Pollitt
Time LordGraham Leaman
Mrs OllisPatricia Pryor
Corporal PalmerDenys Palmer
Gell GuardCy Town (uncredited)
Gell GuardJohn Scott Martin (uncredited)
Gell GuardMurphy Grumbar (uncredited)
Gell GuardRick Newby (uncredited)
Time LordAnthony Lang (uncredited)
Time LordLincoln Wright (uncredited)
Time LordPeter Evans (uncredited)
Time LordRichard Orme (uncredited)
UNIT SoldierDavid Billa (uncredited)
UNIT SoldierDavid Melbourne (uncredited)
UNIT SoldierLeslie Bates (uncredited)
UNIT SoldierPat Gorman (uncredited)
UNIT SoldierTerence Denville (uncredited)
UNIT SoldierTerry Sartain (uncredited)
Production Teamhide uncredited
WriterBob Baker
WriterDave Martin
DirectorLennie Mayne
ProducerBarry Letts
DesignerRoger Liminton
Script EditorTerrance Dicks
Studio LightingClive Thomas
Studio SoundDerek Miller-Timmins
Costume DesignerJames Acheson
MakeupAnn Rayment
Visual Effects DesignerMichaeljohn Harris
Film CameramanJohn Baker
Film SoundBob Roberts
Film EditorJim Walker
Incidental MusicDudley Simpson
Special SoundDick Mills
Title MusicRon Grainer
and BBC Radiophonic Workshop
Visual Effects DesignerLen Hutton (uncredited)
Production AssistantDavid Tilley (uncredited)
Assistant Floor ManagerTrina Cornwell (uncredited)
Film Operations ManagerHugh Wilson (uncredited)
Visual Effects AssistantDave Havard (uncredited)
Artist BookingSybil Cave (uncredited)
Technical EffectsDerek Lightbody (uncredited)
Technical EffectsTom Moncrief (uncredited)
Lighting ChargehandDick Weller (uncredited)
Lighting ChargehandArthur Hill (uncredited)
Studio EngineerJoe Starie (uncredited)
Studio EngineerBob Hignett (uncredited)
Vision Co-ordinatorLaurie de Whalley (uncredited)
Vision Co-ordinatorDon McGregor (uncredited)
Show Working SupervisorJohnny Norris (uncredited)
Props BuyerMagda Olender (uncredited)
Production SecretarySarah Newman (uncredited)
Camera OperatorPaul Kay (uncredited)
Camera OperatorMike Figini (uncredited)
Camera OperatorJohn Dean (uncredited)
Camera OperatorKen Webb (uncredited)
Camera OperatorGraham Arnold (uncredited)
Camera OperatorDave Whitaker (uncredited)
Camera OperatorDave Carter (uncredited)
Camera OperatorDave Jervis (uncredited)
SoundDave Hedden (uncredited)
SoundTony Crake (uncredited)
SoundSimon Brocklehurst (uncredited)
Title Music ArrangerDelia Derbyshire (uncredited)
Title SequenceBernard Lodge (uncredited)
Grams OperatorGerry Borrows (uncredited)
Floor AssistantPaul Braithwaite (uncredited)
GripTex Childs (uncredited)
Director's AssistantRita Dunn (uncredited)
Technical Manager (TM2)John Fane (uncredited)
Film Camera AssistantBrian Hall (uncredited)
Sound AssistantJohn Hills-Harrop (uncredited)
Vision MixerTony Rowe (uncredited)