Last updated 24 March 2024


Part Four

Series Episode Number: 379

World Premiere: Sat 25 May 1974 - 5:31pm BST [BBC One] (United Kingdom)
First Broadcast: Sun 6 Nov 1983 - 11:00pm CST [WTTW 11 Chicago]
Running Time: 23 minutes 53 seconds

8.20 Million (UK)


Chart Position: 24 () (UK)

Recorded on Wed 17 Apr 1974 in TC1 TC6 TC8
Archive State: PAL 2 VT



With the Doctor in a coma, his only hope of survival lies with a device inside the TARDIS. Sarah is captured by the spiders and is held prisoner in their larder.


Production Team hide uncredited
WriterRobert Sloman
WriterBarry Letts (uncredited)
DirectorBarry Letts
ProducerBarry Letts (uncredited)
DesignerRochelle Selwyn
Script EditorTerrance Dicks
Incidental MusicDudley Simpson
Special SoundDick Mills
Title MusicRon Grainer
Title Music BBC Radiophonic Workshop
Title SequenceBernard Lodge
Studio LightingRalph Walton (uncredited)
Studio SoundJohn Holmes (uncredited)
Costume DesignerL Rowland-Warne (uncredited)
Make-upDeanne Turner (uncredited)
Visual Effects DesignerBernard Wilkie (uncredited)
Production Unit ManagerGeorge Gallaccio (uncredited)
Technical ManagerTommy Dawson (uncredited)
Vision MixerNick Lake (uncredited)
Grams OperatorAndrew Hunter (uncredited)
Assistant Floor ManagerGraeme Harper (uncredited)
Production AssistantMarion McDougall (uncredited)
Floor AssistantGeoffrey Posner (uncredited)
Visual Effects AssistantIan Scoones (uncredited)
Visual Effects AssistantRichard Conway (uncredited)
Visual Effects AssistantSteve Bowman (uncredited)
Visual Effects AssistantMat Irvine (uncredited)
Make-Up AssistantSheelagh Wells (uncredited)
Director's AssistantHeather Dunthorne (uncredited)
Inlay OperatorDave Chapman (uncredited)
Title Music ArrangerDelia Derbyshire (uncredited)