Last updated 24 March 2024


Episode Two

Series Episode Number: 331

World Premiere: Sat 6 Jan 1973 - 5:51pm GMT [BBC One] (United Kingdom)
First Broadcast: Mon 17 Nov 2014 - 8:30pm EST [Retro TV]
Running Time: 24 minutes 18 seconds

10.80 Million (UK)


Chart Position: 22 () (UK)

Recorded on Tue 28 Nov 1972 in TC1
Archive State: PAL 2 VT



Following the advice of the First Doctor, the Third Doctor and Jo have crossed through the black hole to the strange, desolate world of antimatter.


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
OmegaStephen Thorne
President of the CouncilRoy Purcell
ChancellorClyde Pollitt
Time LordGraham Leaman
Mr. OllisLaurie Webb
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)