Doctor Who
The Sea Devils, Part Four
Season 9, Episode 12 · Aired 1972-03-18
Synopsis
The Sea Devils attack the island prison and rescue the Master, prompting the Doctor to venture underwater to try and contact them.
In the series
This episode is part of Doctor Who (1963–) on BBC.
A time-traveling renegade in a police box — regeneration as infinite franchise life.
Key cast
- William Hartnell as The First Doctor
- Patrick Troughton as The Second Doctor
- Jon Pertwee as The Third Doctor