Last updated 24 March 2024


Part Four

Series Episode Number: 553

World Premiere: Sat 21 Mar 1981 - 5:09pm GMT [BBC One] (United Kingdom)
First Broadcast: Tue 7 Apr 2015 - 8:30pm EDT [Retro TV]
Running Time: 25 minutes 10 seconds

6.10 Million (UK)

Appreciation Index: 65 (UK)

Chart Position: 97 () (UK)

Recorded on Fri 23 Jan 1981 in Television Centre 6



With the fate of the universe hanging in the balance, the Doctor and the Master are forced to return to Earth and carry out their plan. But for the Fourth Doctor, it's the end�


Characters hide uncredited
Doctor WhoTom Baker
Doctor WhoPeter Davison
The MonitorJohn Fraser
The MasterAnthony Ainley
TeganJanet Fielding
AdricMatthew Waterhouse
NyssaSarah Sutton
Security GuardChristopher Hurst
Pharos TechnicianRobin Squire (uncredited)
Security GuardKeith Guest (uncredited)
Security GuardRichard Bonehill (uncredited)
Security GuardSimon Ramirez (uncredited)
Security GuardStephen Whyment (uncredited)
The WatcherAdrian Gibbs (uncredited)
The MasterPeter Pratt (uncredited)Info
DalekRoy Skelton (uncredited)Info
CaptainBruce Purchase (uncredited)Info
CybermanChristopher Robbie (uncredited)Info
DavrosMichael Wisher (uncredited)Info
SontaranDerek Deadman (uncredited)Info
BrotonJohn Woodnutt (uncredited)Info
Black GuardianValentine Dyall (uncredited)Info
Sarah Jane SmithElisabeth Sladen (uncredited)Info
Harry SullivanIan Marter (uncredited)Info
Brigadier Lethbridge-StewartNicholas Courtney (uncredited)Info
LeelaLouise Jameson (uncredited)Info
RomanaMary Tamm (uncredited)Info
RomanaLalla Ward (uncredited)Info
K-9 Mark IVJohn Leeson (uncredited)Info
Production Team include uncredited
WriterChristopher H Bidmead
DirectorPeter Grimwade
ProducerJohn Nathan-Turner
Executive ProducerBarry Letts
DesignerMalcolm Thornton
Script EditorChristopher H Bidmead
Title SequenceSid Sutton
Costume DesignerJune Hudson
Make-up ArtistDorka Nieradzik
Studio LightingHenry Barber
Studio SoundJohn Holmes
Technical ManagerTerry Brett
Senior CameramanReg Poulter
Visual Effects DesignerJohn Horton
Video EffectsDave Chapman
Vision MixerCarol Johnson
Videotape EditorRod Waldron
Film CameramanPeter Hall
Film SoundJim McAlister
Film EditorPaul Humfress
Production ManagerMargot Hayhoe
Production AssociateAngela Smith
Production AssistantPatricia Greenland
Assistant Floor ManagerVal McCrimmon
Incidental MusicPaddy Kingsland
Special SoundDick Mills
Studio SoundAlan Fogg
Production Unit ManagerAlan Wareing