Last updated 24 March 2024


Part Three

Series Episode Number: 388

World Premiere: Sat 8 Feb 1975 - 5:32pm GMT [BBC One] (United Kingdom)
First Broadcast: Wed 5 Mar 1980 - 5:30pm CST [WTTW 11 Chicago]
Running Time: 24 minutes 5 seconds

11.20 Million (UK)


Chart Position: 17 () (UK)

Recorded on Mon 11 Nov 1974 in TC1



The Doctor subjects himself to a dangerous experiment so that he can access the memories of the dead Wirrn Queen. Elsewhere, the larvae Wirrn are pupating into their adult form.


Production Team hide uncredited
WriterRobert Holmes
StorylineJohn Lucarotti (uncredited)Info
DirectorRodney Bennett
ProducerPhilip Hinchcliffe
DesignerRoger Murray-Leach
Script EditorRobert Holmes (uncredited)
LightingNigel Wright
SoundJohn Lloyd
Costume DesignerBarbara Kidd
Make-upSylvia James
Visual Effects DesignerJohn Friedlander
Visual Effects DesignerTony Oxley
Incidental MusicDudley Simpson
Special SoundDick Mills
Title MusicRon Grainer
and BBC Radiophonic Workshop
Title SequenceBernard Lodge
Production AssistantMarion McDougall
Production Unit ManagerGeorge Gallaccio
Technical Manager(TM2)Tommy Dawson (uncredited)
Vision MixerMary Kellehar (uncredited)
Inlay OperatorDave Jervis (uncredited)
Grams OperatorGordon Phillipson (uncredited)
Senior CameramanPeter Granger (uncredited)
Assistant Floor ManagerRuss Karel (uncredited)
Floor AssistantJohn Smith (uncredited)
Design AssistantShelagh Lawson (uncredited)
Make-Up AssistantMartha Livesley (uncredited)
Make-Up AssistantLeri O'Gorman (uncredited)
Props BuyerBrian Read (uncredited)
Director's AssistantPauline Silcock (uncredited)
Title Music ArrangerDelia Derbyshire (uncredited)
Artist BookingPauline Mansfield Clark (uncredited)
Production SecretarySarah Newman (uncredited)