Part One
Series Episode Number: 640World Premiere: Sat 6 Sep 1986 - 5:46pm BST [BBC One] (United Kingdom)
First Broadcast: Sun 27 Nov 1988 - 11:00pm CST [WTTW 11 Chicago]
Running Time: 24 minutes 57 seconds
4.90 Million (UK)
Appreciation Index: 72 (UK)Chart Position: 69 () (UK)
Recorded on Thu 24 Apr 1986 in Television Centre 6
Placed on trial by his peers, the Doctor is forced to watch events from his past, beginning with an incident on Ravolox involving the curiously named Marb Arch.
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