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.
The Doctor
Jo Grant
Brigadier Lethbridge-Stewart
Captain Mike Yates
Sergeant Benton
The Master
Captain Chin Lee
Prison Governor
Movie / 1967
Movie / 1970
Movie / 1984
Movie / 2016
Movie / 1985
Movie / 2009
Movie / 2012
Movie / 1992
Movie / 1985
Movie / 2015
Movie / 2009
Movie / 2021
Movie / 2024
Movie / 2025
Movie / 2005
Movie / 2021
Movie / 2003
Movie / 2024
Movie / 2013
Movie / 2012
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.
The Doctor
Jo Grant
Brigadier Lethbridge-Stewart
Captain Mike Yates
Sergeant Benton
The Master
Captain Chin Lee
Prison Governor
Movie / 1967
Movie / 1970
Movie / 1984
Movie / 2016
Movie / 1985
Movie / 2009
Movie / 2012
Movie / 1992
Movie / 1985
Movie / 2015
Movie / 2009
Movie / 2021
Movie / 2024
Movie / 2025
Movie / 2005
Movie / 2021
Movie / 2003
Movie / 2024
Movie / 2013
Movie / 2012