Last updated 24 March 2024


Episode Nine

Series Episode Number: 252

World Premiere: Sat 14 Jun 1969 - 5:14pm BST [BBC One] (United Kingdom)
Running Time: 24 minutes 34 seconds

4.10 Million (UK)

Appreciation Index: 57 (UK)

Chart Position: 91 () (UK)

Recorded on Thu 05 Jun 1969 in Television Centre 6
Archive State: 16mm t/r



The rebels seize control of the aliens' HQ but the Doctor is forced to send a call for help to his own people, the Time Lords.


Production Team hide uncredited
WriterMalcolm Hulke
WriterTerrance Dicks
DirectorDavid Maloney
ProducerDerrick Sherwin
DesignerRoger Cheveley
Incidental MusicDudley Simpson
Title MusicRon Grainer
Title Music BBC Radiophonic Workshop
Film CameramanAlan Jonas (uncredited)
Film EditorChris Hayden (uncredited)
LightingHoward King (uncredited)
SoundJohn Staple (uncredited)
CostumesNicholas Bullen (uncredited)
Make-upSylvia James (uncredited)
Visual Effects DesignerMichaeljohn Harris (uncredited)
Special SoundBrian Hodgson (uncredited)
Special Sound BBC Radiophonic Workshop (uncredited)
Script EditorTerrance Dicks (uncredited)
Fight ArrangerPeter Diamond (uncredited)
Fight ArrangerArthur Howell (uncredited)
Assistant Floor ManagerMarion McDougall (uncredited)
Production AssistantEdwina Verner (uncredited)
Film Camera AssistantJohn Walker (uncredited)
Film Sound RecordistBill Meekums (uncredited)
Assistant Sound RecordistAlan Cooper (uncredited)
Effects AssistantDave Havard (uncredited)
Vision MixerDavid Langford (uncredited)
Technical ManagerDavid Hare (uncredited)
Assistant Floor ManagerCaroline Walmsley (uncredited)
Title Music ArrangerDelia Derbyshire (uncredited)
Title SequenceBernard Lodge (uncredited)