You are watching Doctor Who: The Mind of Evil the movie produced in United Kingdom belongs with duration 150 Min in Category Science Fiction,Drama,Adventure,. broadcast at streamingjoy.com , by [ BBC ] 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..