Jo attempts to rescue the Doctor who is being held prisoner by the Master and Trenchard. The Master plans to summon the Sea Devils from beneath the waves.
- Drama
- Year 1972
- 24 min
The Third Doctor: Jon Pertwee Bursting into colour, Doctor Who underwent a dramatic makeover when Jon Pertwee’s debonair dandy arrived, exiled to Earth for four years of action-packed, moralistic adventures.
- Year: 1972
