Doctor Who: The Mind of Evil
1971-03-06
- Science Fiction
- Drama
- Adventure
2h 30m
7.2
Play Trailer
Overview
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.
