Last updated 24 March 2024


Episode Seven

Series Episode Number: 226

World Premiere: Sat 14 Dec 1968 - 5:14pm BST [BBC One] (United Kingdom)
Running Time: 24 minutes 46 seconds

7.20 Million (UK)

Appreciation Index: 55 (UK)

Chart Position: 51 () (UK)

Recorded on Fri 01 Nov 1968 in Lime Grove D
Archive State: 16mm t/r



The Cybermen have immobilised the Earth's population with a hypnotic signal. Their fleet arrives and they invade in force. The Doctor desperately attempts to persuade Vaughn to help him resist the invaders.

Production Teamhide uncredited
WriterDerrick Sherwin
From a story byKit Pedler
DirectorDouglas Camfield
ProducerPeter Bryant
DesignerRichard Hunt
Script EditorTerrance Dicks
Incidental MusicDon Harper
Title MusicRon Grainer
and the BBC Radiophonic Workshop
Film CameramanAlan Jonas (uncredited)
Film Sound RecordistBill Chesneau (uncredited)
Film EditorMartyn Day (uncredited)
CostumesBobi Bartlett (uncredited)
MakeupSylvia James (uncredited)
LightingRobbie Robinson (uncredited)
SoundBryan Forgham (uncredited)
Special SoundBrian Hodgson (uncredited)
Visual EffectsBill King (uncredited)
Visual Effects Trading Post (uncredited)
Production AssistantChris D'Oyly-John (uncredited)
Vision MixerDavid Langford (uncredited)
Grams OperatorDave Silk (uncredited)
Technical Manager (TM2)Don Babbage (uncredited)
Director's AssistantSue Sly (uncredited)
Assistant Floor ManagerSue Willis (uncredited)
Floor AssistantMichael Ward (uncredited)
Film Operations ManagerHugh Wilson (uncredited)
Title Music ArrangerDelia Derbyshire (uncredited)
Title SequenceBernard Lodge (uncredited)