Doctor Doctor Who Guide
Last updated 31 May 2015


Episode 3

Episode 3

Series Episode Number: 274

World Premiere: Sat 23 May 1970 - 5:15pm BST [BBC One] (United Kingdom)
First Broadcast: Fri 31 Oct 1975 - 6:30pm CST [WTTW 11 Chicago]
Running Time: 24 minutes 34 seconds

4.80 Million (UK)

Appreciation Index: 60 (UK)

Chart Position: 85 () (UK)

Recorded on Fri 08 May 1970 in TC3 / TC6
Archive State: RSC conver



Transported to a parallel world, the Doctor discovers that England is under military rule and the drilling project is at a more advanced stage.


Characters hide uncredited
Doctor WhoJon Pertwee
Liz ShawCaroline John
Section Leader Elizabeth ShawCaroline John (uncredited)
Brigadier Lethbridge-StewartNicholas Courtney
The Brigade LeaderNicholas Courtney (uncredited)
Professor StahlmanOlaf Pooley
Sir Keith GoldChristopher Benjamin
Greg SuttonDerek Newark
Petra WilliamsSheila Dunn
Sergeant BentonJohn Levene
BromleyIan Fairbairn
Private WyattDerek Ware
Private LatimerDavid Simeon
Technician (inferno Project)Patricia Matthews (uncredited)
Technician (inferno Project)Sheila Knight (uncredited)
Technician (inferno Project)Joan Harsant (uncredited)
Technician (inferno Project)Valerie Bland (uncredited)
Technician (inferno Project)Natalia Lindley (uncredited)
Technician (inferno Project)Marcelle Elliott (uncredited)
Technician (inferno Project)Corrine Skinner (uncredited)
Technician (inferno Project)Alan Clements (uncredited)
Technician (inferno Project)Keith Norrish (uncredited)
Technician (inferno Project)Richard Cooper (uncredited)
Technician (inferno Project)Keith Ashley (uncredited)
Technician (inferno Project)Richard King (uncredited)
Technician (inferno Project)Derek Hunt (uncredited)
Technician (inferno Project)Colin James (uncredited)
Technician (inferno Project)Richard Lawrence (uncredited)
Technician (inferno Project)Michael Earl (uncredited)
Technician (inferno Project)Norton Clark (uncredited)
Technician (inferno Project)Robert Birmingham (uncredited)
Technician (inferno Project)Bertie Green (uncredited)
Soldier (UNIT)Roy Street (uncredited)
Soldier (UNIT)Terry Walsh (uncredited)
Soldier (UNIT)Nick Hobbs (uncredited)
Soldier (UNIT)Royston Farrell (uncredited)
Stunt ManRoy Scammell (uncredited)
Stunt ManAlan Chuntz (uncredited)
Stunt ManBilly Horrigan (uncredited)
Stunt ManDerek Martin (uncredited)