Part Fourteen
Series Episode Number: 653World Premiere: Sat 6 Dec 1986 - 5:45pm GMT [BBC One] (United Kingdom)
First Broadcast: Wed 17 Jun 2015 - 8:30pm EDT [Retro TV]
Running Time: 29 minutes 30 seconds
5.60 Million (UK)
Appreciation Index: 69 (UK)Chart Position: 80 () (UK)
Recorded on Wed 13 Aug 1986 in Television Centre 1
Mel realises that the Valeyard has created a weapon within the Matrix that will destroy the Time Lords, and the Doctor is forced to rely on the Master for help.
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