Last updated 09 January 2020

Episode One

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)