Last updated 24 March 2024


Episode 1

Series Episode Number: 210

World Premiere: Sat 10 Aug 1968 - 5:15pm BST [BBC One] (United Kingdom)
First Broadcast: Sun 26 Oct 1986 - 11:00pm CST [WTTW 11 Chicago]
Running Time: 24 minutes 25 seconds

6.10 Million (UK)

Appreciation Index: 52 (UK)

Chart Position: 54 () (UK)

Recorded on Fri 17 May 1968 in Television Centre 4
Archive State: 16mm t/r



The TARDIS lands on the peaceful planet of Dulkis. There, the Doctor, Jamie and Zoe discover that the ruthless Dominators have arrived and are enslaving the inhabitants with their deadly robots, the Quarks.

The Doctor and his crew must prevent the destruction of the planet and help the Dulcians fight back.


Production Team hide uncredited
WriterNorman AshbyInfo
WriterNorman AshbyInfo
DirectorMorris Barry
ProducerPeter Bryant
DesignerBarry Newbery
Script EditorDerrick Sherwin
Title MusicRon Grainer
and the BBC Radiophonic Workshop
CostumesMartin Baugh (uncredited)
Make-upSylvia James (uncredited)
LightingSam Neeter (uncredited)
SoundRichard Chubb (uncredited)
Visual Effects DesignerRon Oates (uncredited)
Special SoundBrian Hodgson (uncredited)
Production AssistantJohn Bruce (uncredited)
Floor AssistantDavid Smith (uncredited)
Film CameramanPeter Hamilton (uncredited)
Film EditorChris Hayden (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)