Last updated 24 March 2024


Episode One

Series Episode Number: 338

World Premiere: Sat 24 Feb 1973 - 5:51pm GMT [BBC One] (United Kingdom)
First Broadcast: Sun 12 Apr 1987 - 11:00pm CDT [WTTW 11 Chicago]
Running Time: 23 minutes 27 seconds

9.10 Million (UK)


Chart Position: 32 () (UK)

Recorded on Mon 02 Oct 1972 in TC4
Archive State: PAL 2 VT



The Doctor and Jo land on a spaceship in the far future as it is attacked by Ogrons, which the human crew see as Draconians. The Doctor and Jo are taken to Earth as spies.


Production Team hide uncredited
WriterMalcolm Hulke
DirectorPaul Bernard
ProducerBarry Letts
DesignerCynthia Kljuco
Script EditorTerrance Dicks
Costume DesignerBarbara Kidd
Make-upSandra Shepherd
Masks byJohn Friedlander
Studio LightingRalph Walton
Studio SoundBrian Hiles
Visual Effects DesignerBernard Wilkie
Visual Effects DesignerRhys Jones
Incidental MusicDudley Simpson
Special SoundDick Mills
Title MusicRon Grainer
Title Music BBC Radiophonic Workshop
Assistant Floor ManagerJohn Bradburn (uncredited)
Film CameramanJohn Tiley (uncredited)
Film EditorJohn Bush (uncredited)
Production AssistantNicholas John (uncredited)
Daleks created byTerry Nation (uncredited)
Title Music ArrangerDelia Derbyshire (uncredited)
Title SequenceBernard Lodge (uncredited)
Post Production SoundRay Angel (uncredited)
Technical ManagerTommy Dawson (uncredited)
Floor AssistantChris Moss (uncredited)
Grams OperatorGordon Phillipson (uncredited)
Vision MixerMichael Turner (uncredited)
Music CopyistGeorge Bayton (uncredited)
Artist BookingSybil Cave (uncredited)
Property BuyerRuth Hyde (uncredited)
Production SecretarySarah Newman (uncredited)
AssistantKay Stephens (uncredited)