Last updated 24 March 2024


Part Two

Series Episode Number: 630

World Premiere: Sat 26 Jan 1985 - 5:21pm GMT [BBC One] (United Kingdom)
Running Time: 44 minutes 43 seconds

7.00 Million (UK)

Appreciation Index: 65 (UK)

Chart Position: 108 () (UK)

Recorded on Wed 01 Aug 1984 in Television Centre 6
BBC Genome Project: see entry



As Peri and Areta begin to transform into a bird and a reptile, the Doctor faces Sil, who has negotiated mining rights on Varos, depriving the Time Lord of what he needs


Production Team hide uncredited
WriterPhilip Martin
DirectorRon Jones
ProducerJohn Nathan-Turner
DesignerTony Snoaden
Script EditorEric Saward
Title SequenceSid Sutton
Costume DesignerAnne Hardinge
Make-up DesignerCecile Hay-Arthur
Make-up DesignerDorka Nieradzik
Lighting DirectorDennis Channon
SoundAndy Stacey
Vision MixerNigel Finnis
Vision MixerJayne Beckett
Videotape EditorHugh Parson
Technical CoordinatorAlan Arbuthnott
Camera SupervisorAlec Wheal
Visual Effects DesignerCharles Jeanes
Video EffectsDave Chapman
Production ManagerMargot Eavis
Production AssociateSue Anstruther
Production AssistantJane Whittaker
Assistant Floor ManagerSophie Neville
Incidental MusicJonathan Gibbs
Special SoundDick Mills
Special Sound BBC Radiophonic Workshop
Title MusicRon Grainer (uncredited)
Title Music ArrangerPeter Howell (uncredited)