Doctor Who: The Mind of Evil (1971) is a Science Fiction, Drama, Adventure film that follows 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. Doctor Who: The Mind of Evil is not currently listed with streaming providers in your selected region, but availability can change over time. It has a user rating of 7.5 out of 10 from 11 votes. Fans of science fiction movies may also want to explore similar titles below.