Doctor Doctor Who Guide
Last updated 31 May 2015


Episode 6

Episode 6

Series Episode Number: 277

World Premiere: Sat 13 Jun 1970 - 5:26pm BST [BBC One] (United Kingdom)
First Broadcast: Wed 5 Nov 1975 - 6:30pm CST [WTTW 11 Chicago]
Running Time: 23 minutes 32 seconds

6.70 Million (UK)

Appreciation Index: 58 (UK)

Chart Position: 73 () (UK)

Recorded on Fri 22 May 1970 in TC3 / TC6
Archive State: RSC conver



As Earth in the parallel world faces destruction, the Doctor is desperate to return to his world to warn it of the danger. But time is running out.


Production Team hide uncredited
WriterDon Houghton
DirectorBarry Letts (uncredited)
DirectorDouglas CamfieldInfo
ProducerBarry Letts
DesignerJeremy Davies
Script EditorTerrance Dicks
Film CameramanFred Hamilton
Film SoundGraham Hare
Film EditorMartyn Day
Title MusicRon Grainer
and BBC Radiophonic Workshop
Visual Effects DesignerLen Hutton (uncredited)
CostumesChristine Rawlins (uncredited)
Make-upMarion Richards (uncredited)
Studio LightingJohn Green (uncredited)
Studio SoundJohn Staple (uncredited)
Special SoundBrian Hodgson (uncredited)
Technical ManagerLance Wood (uncredited)
Vision MixerJohn Gorman (uncredited)
Grams OperatorTony Philpott (uncredited)
Production AssistantChris D'Oyly-John (uncredited)
Assistant Floor ManagerSue Hedden (uncredited)
Floor AssistantFrank Mullan (uncredited)
Make-Up AssistantJudy Cain (uncredited)
Make-Up AssistantSue Duckworth (uncredited)
Make-Up AssistantIrene Walls (uncredited)
Scene CrewBrian Mitchell (uncredited)
Scene CrewBrian West (uncredited)
Costume AssistantTerry Styles (uncredited)
Costume AssistantPat Trigger (uncredited)
Film Camera AssistantHugh Miles (uncredited)
Film Sound AssistantJack Curtis (uncredited)
Director's AssistantSue Upton (uncredited)
Title Music ArrangerDelia Derbyshire (uncredited)
Title SequenceBernard Lodge (uncredited)