Episode Two
Series Episode Number: 239World Premiere: Sat 15 Mar 1969 - 5:14pm BST [BBC One] (United Kingdom)
Running Time: 25 minutes 2 seconds
6.80 Million (UK)
Appreciation Index: 52 (UK)Chart Position: 74 () (UK)
Recorded on Fri 28 Feb 1969 in Lime Grove D
Archive State: 35mm t/r
General Hermack suspects Milo Clancey of being in league with the pirates. Trapped inside a segment of the beacon, the air supply is running out for the Doctor, Jamie and Zoe.
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