Doctor Who: The Mind of Evil (1971)
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.
Release Date : Mar 06, 1971
Runtime : 2h 30m
Genre : Science Fiction Drama Adventure
Companies : BBC
Countries : United Kingdom
Keywords : time travel