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.
Directed by Timothy Combe
time travel
Trailer
Letterboxd
3.4 / 5
Cast
Jon Pertwee
The Doctor
Katy Manning
Jo Grant
Nicholas Courtney
Brigadier Lethbridge-Stewart
Richard Franklin
Captain Mike Yates
John Levene
Sergeant Benton
Roger Delgado
The Master
Pik-Sen Lim
Captain Chin Lee
Michael Sheard
Dr. Roland Summers
Neil McCarthy
George Patrick Barnham
William Marlowe
Mailer
Kristopher Kum
Fu Peng
Tommy Duggan
Senator Alcott
Crew
Timothy Combe
Director
Don Houghton
Writer
Dudley Simpson
Original Music Composer
Barry Letts
Producer
Terrance Dicks
Script Editor
Delia Derbyshire
Theme Song Performance
Popular Reviews
7 reviews
joie
8.0★ · 10/02/25
ohhhh old man yaoi i missed you
ohhhh old man yaoi i missed you
Angelina
8.0★ · 01/11/25
the master is very touchy.. watch out doctor 🤭
the master is very touchy.. watch out doctor 🤭
joie
8.0★ · 08/08/24
they shouldve let the brigadier say curse words.
they shouldve let the brigadier say curse words.
joie
8.0★ · 12/26/23
the doctor and the master should have fucked i think. like, they were about to anyway so… you all know exactly which part i’m talking about too.
the doctor and the master should have fucked i think. like, they were about to anyway so… you all know exactly which part i’m talking about too.