Last updated 24 March 2024


Episode Two

Series Episode Number: 335

World Premiere: Sat 3 Feb 1973 - 5:50pm GMT [BBC One] (United Kingdom)
First Broadcast: Wed 19 Nov 2014 - 8:30pm EST [Retro TV]
Running Time: 24 minutes 11 seconds

11.00 Million (UK)


Chart Position: 20 () (UK)

Recorded on Tue 20 Jun 1972 in TC4
Archive State: PAL 2 VT



The Doctor and Jo have been miniaturised and trapped inside a Miniscope, the property of showman Vorg. The Scope has been impounded on the planet Inter Minor and may be destroyed.


Production Team hide uncredited
WriterRobert Holmes
DirectorBarry Letts
ProducerBarry Letts (uncredited)
DesignerRoger Liminton
Script EditorTerrance Dicks
Studio LightingClive Thomas
Studio SoundGordon Mackie
Costume DesignerJames Acheson
Make-upAngela Seyfang
Visual Effects DesignerJohn Horton
Film CameramanPeter Hamilton
Film SoundDerek Medus
Film EditorPeter Evans
Special SoundBrian Hodgson
Incidental MusicDudley Simpson
Title MusicRon Grainer
Title Music BBC Radiophonic Workshop
Assistant Floor ManagerKarilyn Collier (uncredited)
Production AssistantChris D'Oyly-John (uncredited)
Title Music ArrangerDelia Derbyshire (uncredited)
Title SequenceBernard Lodge (uncredited)
Floor AssistantIan Pleeth (uncredited)
Director's AssistantFrances Alcock (uncredited)
Technical Manager(TM2)Reg Hutchins (uncredited)
Grams OperatorGordon Phillipson (uncredited)
Vision MixerBill Morton (uncredited)