Last updated 24 March 2024


Part Five

Series Episode Number: 644

World Premiere: Sat 4 Oct 1986 - 5:47pm BST [BBC One] (United Kingdom)
First Broadcast: Sun 4 Dec 1988 - 11:00pm CST [WTTW 11 Chicago]
Running Time: 24 minutes 42 seconds

4.80 Million (UK)

Appreciation Index: 71 (UK)

Chart Position: 76 () (UK)

Recorded on Tue 27 May 1986 in Television Centre 1



The next story the Valeyard shows the Doctor sees the TARDIS arrives on Thoros-Beta, homeworld of the Mentors and the Doctor's old foe, Sil...


Production Team hide uncredited
WriterPhilip Martin
DirectorRon Jones
ProducerJohn Nathan-Turner
DesignerAndrew Howe-Davies
Script EditorEric Saward
Costume DesignerJohn Hearne
Make-up DesignerDorka Nieradzik
Studio LightingDon Babbage
Studio SoundBrian Clark
Technical CoordinatorAlan Arbuthnott
Studio Camera SupervisorAlec Wheal
Videotape EditorHugh Parson
Visual Effects DesignerPeter Wragg
Video EffectsDanny Popkin
Vision MixerJim Stephens
OB LightingColin Widgery
OB SoundMike Johnstone
Production ManagerKevan Van Thompson
Production AssociateAngela Smith
Production AssistantKaren Jones
Assistant Floor ManagerAnna Price
Incidental MusicRichard Hartley
Special SoundDick Mills
Title MusicRon Grainer (uncredited)
Costume AssistantSusan Moore (uncredited)
Title Music ArrangerDominic Glynn (uncredited)
Title SequenceTerry Handley (uncredited)
Title SequenceSid Sutton (uncredited)