Part Three
Series Episode Number: 482World Premiere: Sat 16 Sep 1978 - 6:31pm BST [BBC One] (United Kingdom)
First Broadcast: Fri 24 Nov 2000 - 10:30pm CST [Prairie Public Television]
Running Time: 24 minutes 42 seconds
7.90 Million (UK)
Chart Position: 38 () (UK)
The Doctor and Romana's search for the first segment of the Key to Time is hampered when the Graff Vynda-K takes them prisoner.
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