With the newly-regenerated Doctor (Tom Baker) behaving erratically, Brigadier Lethbridge-Stewart and UNIT have to contend with the theft of the plans for the new disintegrator gun by what seems to be a mechanical monster. However, the theft is only the beginning of a plot to hold the world to nuclear ransom.
Story Order
- Story 75 from Doctor Who
- Story 1 of 5 from Season 12
Episodes
Saturday
28th December 1974
5:35PM
BBC 1 (24 mins)
UNIT are called in when top secret plans and valuable equipment is stolen from high security establishments.
Saturday
4th January 1975
5:30PM
BBC 1 (24 mins)
Using the deadly disintegrator weapon, the robot steals the destructor codes.
Saturday
11th January 1975
5:30PM
BBC 1 (24 mins)
Sealed inside an underground bunker, Miss Winters issues her demands to the world's leaders.
Saturday
18th January 1975
5:30PM
BBC 1 (24 mins)
The robot, distraught over killing its creator, takes Sarah hostage and goes on a rampage.