Last updated 24 March 2024


Episode 5

Series Episode Number: 214

World Premiere: Sat 7 Sep 1968 - 5:14pm BST [BBC One] (United Kingdom)
First Broadcast: Mon 22 Sep 2014 - 8:00pm EDT [Retro TV]
Running Time: 24 minutes 19 seconds

5.90 Million (UK)

Appreciation Index: 53 (UK)

Chart Position: 64 () (UK)

Recorded on Fri 14 Jun 1968 in Television Centre 3
Archive State: 16mm t/r



The Doctor hatches a plan to intercept the Dominators' atomic seed pod as it is dropped into the planet's core. If he fails, the whole of Dulkis will be destroyed.


Production Team hide uncredited
WriterNorman AshbyInfo
WriterNorman AshbyInfo
DirectorMorris Barry
ProducerPeter Bryant
DesignerBarry Newbery
Script EditorDerrick Sherwin
Film CameramanPeter Hamilton
Film EditorChris Hayden
LightingSam Neeter
SoundRichard Chubb
CostumesMartin Baugh
Make-upSylvia James
Visual Effects DesignerRon Oates
Special SoundBrian Hodgson
Title MusicRon Grainer
and the BBC Radiophonic Workshop
Production AssistantJohn Bruce (uncredited)
Floor AssistantGuy Francis (uncredited)
Assistant Floor ManagerBarbara Stuart (uncredited)
Effects AssistantAlan Whibley (uncredited)
Technical ManagerReg Jones (uncredited)
Film Operations ManagerHugh Wilson (uncredited)
Artist BookingBarbara Parkes Buchanan (uncredited)
AssistantJoan Elliott (uncredited)
Title Music ArrangerDelia Derbyshire (uncredited)
Title SequenceBernard Lodge (uncredited)