Checkmate
Series Episode Number: 81World Premiere: Sat 24 Jul 1965 - 5:40pm BST [BBC One] (United Kingdom)
First Broadcast: Tue 9 Sep 2014 - 8:30pm EDT [Retro TV]
Running Time: 24 minutes
8.30 Million (UK)
Appreciation Index: 54 (UK)Chart Position: 24 () (UK)
Recorded on Fri 02 Jul 1965 in Television Centre 4
Archive State: 16mm t/r
Discovering the Monk's plan, the Doctor is determined to stop him meddling with history. As the Viking fleet approaches, time is running out for both the Monk and the Doctor.
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