Episode Two
Series Episode Number: 313World Premiere: Sat 4 Mar 1972 - 5:52pm GMT [BBC One] (United Kingdom)
First Broadcast: Tue 18 Nov 1975 - 6:30pm CST [WTTW 11 Chicago]
Running Time: 24 minutes 30 seconds
9.70 Million (UK)
Chart Position: 26 () (UK)
Recorded on Tue 16 Nov 1971 in TC8
Archive State: RSC conver
The Doctor is eager to make peace between the Sea Devils and the humans but has discovered that the Master is up to his old tricks.
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