Last updated 24 March 2024


Episode Four

Series Episode Number: 307

World Premiere: Sat 22 Jan 1972 - 5:51pm GMT [BBC One] (United Kingdom)
First Broadcast: Fri 10 Oct 1975 - 6:30pm CDT [WTTW 11 Chicago]
Running Time: 24 minutes 17 seconds

9.10 Million (UK)


Chart Position: 40 () (UK)

Recorded on Tue 19 Oct 1971 in TC8
Archive State: PAL 2 VT



The Controller betrays the Daleks and is exterminated. The Daleks travel back in time to the 20th Century to ensure that the peace conference fails.


Production Team hide uncredited
WriterLouis Marks
DirectorPaul Bernard
ProducerBarry Letts
DesignerDavid Myerscough-Jones
Script EditorTerrance Dicks
Studio LightingAlan Horne
Studio SoundTony Millier
CostumesMary Husband
Make-upHeather Stewart
Visual Effects DesignerJim Ward
Film CameramanFred Hamilton
Film EditorDan Rae
Special SoundBrian Hodgson
Incidental MusicDudley Simpson
Daleks created byTerry Nation
Title MusicRon Grainer
Title Music BBC Radiophonic Workshop
Fight ArrangerRick Lester
Production AssistantNorman Stewart (uncredited)
Technical ManagerAlan Arbuthnott (uncredited)
Vision MixerMike Catherwood (uncredited)
Assistant Floor ManagerSue Hedden (uncredited)
Floor AssistantJohn O'Shaughnessy (uncredited)
Title Music ArrangerDelia Derbyshire (uncredited)
Title SequenceBernard Lodge (uncredited)
GripTex Childs (uncredited)
Film SoundChris King (uncredited)
Film Camera AssistantsBrian Easton (uncredited)
Film Camera AssistantsBrian Jones (uncredited)
Film Sound AssistantNorman Johnstone (uncredited)
GraphicsSid Lomax (uncredited)
Design AssistantFiona Comrie (uncredited)
Production SecretarySarah Newman (uncredited)
Director's AssistantCarolyn Driver (uncredited)
Music CopyistGeorge Bayton (uncredited)
Grams OperatorGordon Phillipson (uncredited)
Artist BookingSybil Cave (uncredited)
Props BuyerDorothy Elliott (uncredited)
Props BuyerRoger Hulme (uncredited)