Last updated 09 January 2020

Part One

Part One

Series Episode Number: 623

World Premiere: Thu 22 Mar 1984 - 6:41pm GMT [BBC One] (United Kingdom)
First Broadcast: Sun 16 Mar 1986 - 11:00pm CST [WTTW 11 Chicago]
Running Time: 24 minutes 42 seconds

7.60 Million (UK)

Appreciation Index: 61 (UK)

Chart Position: 66 () (UK)


The mysterious Professor Edgeworth has kidnapped twin human child genii, Romulus and Remus, and Hugo Lang holds the new Doctor responsible for the destruction of his spaceship.

Production Team include uncredited
WriterAnthony Steven
DirectorPeter Moffatt
ProducerJohn Nathan-Turner
DesignerValerie Warrender
Script EditorEric Saward
Title SequenceSid Sutton
Title SequenceTerry Handley
Costume DesignerPat Godfrey
Make-up DesignerDenise Baron
Lighting DirectorDon Babbage
Studio SoundScott Talbott
Technical CoordinatorAlan Arbuthnott
Camera SupervisorAlec Wheal
Videotape EditorHugh Parson
Visual Effects DesignerStuart Brisdon
Video EffectsDave Chapman
Vision MixerDiana Long
Film CameramanJohn Baker
Film CameramanJohn Walker
Film SoundMalcolm Campbell
Film EditorIan McKendrick
Production ManagerMichael A Treen
Production AssociateJune Collins
Production AssistantChristine Fawcett
Assistant Floor ManagerBeth Millward
Title MusicRon Grainer
Incidental MusicMalcolm Clarke
Special SoundDick Mills
Special Sound BBC Radiophonic Workshop