Written by Ian Stuart Black
"You know, there's something alien about that tower! I can sense it."
| Episode Title | Premiere Date |
| Episode 1 | 25/06/1966 |
| Episode 2 | 02/07/1966 |
| Episode 3 | 09/07/1966 |
| Episode 4 | 16/07/1966 |
The TARDIS arrives in London, 1966, where the Doctor and Dodo visit the recently opened Post Office Tower. At its top they discover a brilliant new problem-solving super computer — the Will Operating Thought ANalogue. But when WOTAN decides that it should rule the world, the Doctor is the only person who can stop its rampaging War Machines from destroying London. Luckily, he has the help of a young secretary called Polly and a sailor called Ben...
Cast & Crew
The Doctor: William Hartnell
Dodo Chaplet: Jackie Lane
Polly Wright: Anneke Wills
Ben Jackson: Michael Craze
Major Green: Alan Curtis
Professor Brett: John Harvey
The Voice of WOTAN: Gerald Taylor
Producer: Innes Lloyd
Director: Michael Ferguson
Scriptwriter: Ian Stuart Black
