The Sea Devils (4)

Mar 18, 1972 on BBC One at 5:15 PM

Summary

England, the near future. While visiting the Master in his island prison, the Doctor and Jo learn of a series of mysterious ship-sinkings in the area. Can the Master be involved?

Previous episode

The Sea Devils (3)
Season 9 Episode 11

Mar 11, 1972

Next episode

The Sea Devils (5)
Season 9 Episode 13

Mar 25, 1972