Last updated 24 March 2024


Episode Three

Series Episode Number: 291

World Premiere: Sat 27 Mar 1971 - 5:15pm BST [BBC One] (United Kingdom)
First Broadcast: Thu 27 Nov 1975 - 6:30pm CST [WTTW 11 Chicago]
Running Time: 24 minutes 5 seconds

6.40 Million (UK)


Chart Position: 70 () (UK)

Recorded on Fri 05 Feb 1971 in Television Centre 4
Archive State: RSC conver



The Axons reveal their true nature and attempt to obtain the secret of time travel. Meanwhile, the Master, forced to work for UNIT, concocts a plan to strike back at Axos.


Characters hide uncredited
Doctor WhoJon Pertwee
Brigadier Lethbridge-StewartNicholas Courtney
The MasterRoger Delgado
Jo GrantKaty Manning
Mike YatesRichard Franklin
Sergeant BentonJohn Levene
ChinnPeter Bathurst
FilerPaul Grist
HardimanDonald Hewlett
Axon ManBernard Holley
The MinisterKenneth Benda
Captain HarkerTim Pigott-Smith
Double for FilerDerek Ware (uncredited)
Jo Grant (aged)Mildred Brown (uncredited)
Axon MonsterClinton Morris (uncredited)
Axon GlobClive Roger (uncredited)
UNIT SoldierMichael Stainer (uncredited)
Laboratory TechnicianVictor Croxford (uncredited)
Axon ManSteve King (uncredited)
Axon ManDavid Aldridge (uncredited)
AxonGeoff Brighty (uncredited)
AxonRoger Minnis (uncredited)
Axon GlobDouglas Roe (uncredited)
Axon GlobEden Fox (uncredited)
Axon GlobStuart Myers (uncredited)
Axon GlobClinton Morris (uncredited)
Laboratory TechnicianPeter Holmes (uncredited)
Laboratory TechnicianBill Barnsley (uncredited)
Laboratory TechnicianPaul Phillips (uncredited)
Nuton DriverNick Hobbs (uncredited)
SoldierSteve Smart (uncredited)
SoldierPierce McAvey (uncredited)
SoldierGeorge Howse (uncredited)
Stunt ManJack Cooper (uncredited)
Stunt ManSteve Emerson (uncredited)
Stunt ManStuart Fell (uncredited)
Stunt ManReg Harding (uncredited)
Stunt ManDerek Martin (uncredited)