Doctor Doctor Who Guide

Last updated 09 January 2020


Episode Six

Episode Six

Series Episode Number: 323

World Premiere: Sat 13 May 1972 - 5:52pm BST [BBC One] (United Kingdom)
First Broadcast: Mon 6 Oct 1975 - 6:30pm CDT [WTTW 11 Chicago]
Running Time: 23 minutes 43 seconds

6.50 Million (UK)


Chart Position: 67 () (UK)

Recorded on Tue 28 Mar 1972 in TC3
Archive State: PAL 2 VT



Despite the Doctor's arguments, the Earth Investigator reinstates the Marshal as commander of Skybase. Bombarded by thaesium radiation, Ky begins an incredible transformation.


Production Team hide uncredited
WriterBob Baker
WriterDave Martin
DirectorChristopher Barry
ProducerBarry Letts
DesignerJeremy Bear
Script EditorTerrance Dicks
Studio LightingFrank Cresswell
Studio SoundTony Millier
CostumesJames Acheson
Make-upJoan Barrett
Visual Effects DesignerJohn Horton
Film CameramanFred Hamilton
Film SoundDick Manton
Film EditorDave King
Special SoundBrian Hodgson
Incidental MusicTristram Cary
Title MusicRon Grainer
Title Music BBC Radiophonic Workshop
Fight ArrangerTerry Walsh (uncredited)
Production AssistantFiona Cumming (uncredited)
Assistant Floor ManagerSue Hedden (uncredited)
Title Music ArrangerDelia Derbyshire (uncredited)
Title SequenceBernard Lodge (uncredited)
AssistantJoan Elliott (uncredited)
Floor AssistantPhillip Hall (uncredited)
Grams OperatorGordon Phillipson (uncredited)
Vision MixerMichael Turner (uncredited)