Doctor Doctor Who Guide
Last updated 31 May 2015

Part Five

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)

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...