Last updated 24 March 2024


Episode Six

Series Episode Number: 343

World Premiere: Sat 31 Mar 1973 - 5:52pm BST [BBC One] (United Kingdom)
Running Time: 24 minutes 44 seconds

8.90 Million (UK)


Chart Position: 40 () (UK)

Recorded on Tue 31 Oct 1972 in TC3
Archive State: PAL 2 VT



The Doctor leads a mission to the Ogron home world to apprehend the Master and rescue Jo. But the Master is in league with some old enemies of the Doctor.


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
DirectorDavid Maloney (uncredited)Info
Technical ManagerRon Bristow (uncredited)
Vision MixerShirley Coward (uncredited)
Floor AssistantChris Moss (uncredited)
Grams OperatorGordon Phillipson (uncredited)
Post Production SoundRay Angel (uncredited)
Assistant Floor ManagerJohn Bradburn (uncredited)
Film CameramanJohn Tiley (uncredited)
Film EditorJohn Bush (uncredited)
Production AssistantNicholas John (uncredited)
Title Music ArrangerDelia Derbyshire (uncredited)
Title SequenceBernard Lodge (uncredited)
Production SecretarySarah Newman (uncredited)
Music CopyistGeorge Bayton (uncredited)
AssistantKay Stephens (uncredited)
Artist BookingSybil Cave (uncredited)
Property BuyerRuth Hyde (uncredited)