Last updated 24 March 2024


Episode Six

Series Episode Number: 349

World Premiere: Sat 12 May 1973 - 5:50pm BST [BBC One] (United Kingdom)
Running Time: 23 minutes 6 seconds

8.50 Million (UK)


Chart Position: 24 () (UK)

Recorded on Tue 20 Feb 1973 in TC1
Archive State: PAL 2 VT



A force of ten thousand Daleks is coming to life below the surface of Spiridon. The Doctor and the Thals must find a way to defeat the Daleks before they invade the galaxy.

Note: the BBC's PasB entry for this episode has a typo saying broadcast time was as 17:30 rather than 17:50!


Production Team hide uncredited
WriterTerry Nation
DirectorDavid Maloney
ProducerBarry Letts
DesignerJohn Hurst
Script EditorTerrance Dicks
Studio LightingDerek Slee
Studio SoundTony Millier
Visual Effects DesignerClifford Culley
Costume DesignerHazel Pethig
Make-upJean McMillan
Incidental MusicDudley Simpson
Special SoundDick Mills
Title MusicRon Grainer
Title Music BBC Radiophonic Workshop
Floor AssistantKen Dodds (uncredited)
Props BuyerBill Bonner (uncredited)
Production SecretarySarah Newman (uncredited)
Director's AssistantCarole Bisset (uncredited)
Vision MixerMichael Turner (uncredited)
Grams OperatorGerry Burrows (uncredited)
Make-Up AssistantScota Raqueen (uncredited)
GripTex Childs (uncredited)
Film CameramanElmer Cossey (uncredited)
Film SoundIan Sansam (uncredited)
Film EditorDave Thomas (uncredited)
GripStan Swetman (uncredited)
Sound AssistantFrank Brown (uncredited)
AssistantJohn Harper (uncredited)
Visual Effects AssistantArthur Beavis (uncredited)
Visual Effects AssistantMartin Gutterridge (uncredited)
Visual Effects AssistantCharlie Stoneham (uncredited)
Production AssistantGeorge Gallaccio (uncredited)
Assistant Floor ManagerJohn Cook (uncredited)
Title Music ArrangerDelia Derbyshire (uncredited)
Title SequenceBernard Lodge (uncredited)
Music CopyistGeorge Bayton (uncredited)
Artist BookingSybil Cave (uncredited)
Artist BookingEleri Ebenezer (uncredited)
Artist BookingSusan Hopkins (uncredited)



Additional Details


The working title for this episode provided by Terry Nation was "Victory".