Last updated 24 March 2024


Episode Two

Series Episode Number: 313

World 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.