The Sea Devils: Episode Four
- Episode aired Mar 18, 1972
- TV-PG
- 24m
The Sea Devils attack the island prison and rescue the Master, prompting the Doctor to venture underwater to try and contact them.The Sea Devils attack the island prison and rescue the Master, prompting the Doctor to venture underwater to try and contact them.The Sea Devils attack the island prison and rescue the Master, prompting the Doctor to venture underwater to try and contact them.