Doctor Who: The Mind of Evil
- Release Year
- 1971
- Runtime
- 2h 30m
- Genres
- Adventure
- Drama
- Science Fiction
- Directed By
- Timothy Combe
Professor Emil Keller has created a machine that can pacify even the most dangerous of criminals. But when the Doctor and Jo arrive at Stangmoor Prison for a demonstration, things start to go horribly wrong - especially when they discover that the Doctor's old enemy the Master is responsible for the machine.
