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Classic Who S8 • Serial 2 · (6 episodes)

The Mind of Evil

76% 1,096 votes

First aired Saturday, January 30, 1971
Production Code FFF
Written by Don Houghton
Directed by Timothy Combe
Runtime 150 minutes
Time Travel Present
Inventory: (Potential Spoilers!) Bessie
Synopsis

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.

What could he possibly want from the criminals? And what connects him with an impending World Peace Conference?

6 Episodes:

First aired Saturday, January 30, 1971
Runtime 25 minutes
Written by Don Houghton
Directed by Timothy Combe
UK Viewers 6.1 million

Synopsis

The Doctor and Jo head to Stangmoor Prison to investigate the Keller Machine, which drains the evil impulses from prisoners' minds, while UNIT are handling security at the first world peace conference.

First aired Saturday, February 6, 1971
Runtime 25 minutes
Written by Don Houghton
Directed by Timothy Combe
UK Viewers 8.8 million

Synopsis

The Doctor is recalled by UNIT to help investigate Cheng-Tiek's murder but is unaware that Chin-Lee is under the control of the Master.

First aired Saturday, February 13, 1971
Runtime 25 minutes
Written by Don Houghton
Directed by Timothy Combe
UK Viewers 7.5 million

Synopsis

Realising Chin-Lee has been using the power of the Keller Machine to carry out assassinations, the Doctor heads back to Stangmoor, only to find the Master has teamed up with Mailer to stage another riot.

First aired Saturday, February 20, 1971
Runtime 25 minutes
Written by Don Houghton
Directed by Timothy Combe
UK Viewers 7.4 million

Synopsis

With the Doctor and Jo being held prisoner, the Master convinces Mailer to help him steal the Thunderbolt.

First aired Saturday, February 27, 1971
Runtime 25 minutes
Written by Don Houghton
Directed by Timothy Combe
UK Viewers 7.6 million

Synopsis

The Doctor is forced to help the Master control the mind parasite while Yates finds out where the Thunderbolt has been taken only to be captured by the Master's men.

First aired Saturday, March 6, 1971
Runtime 25 minutes
Written by Don Houghton
Directed by Timothy Combe
UK Viewers 7.3 million

Synopsis

The Brigadier has recaptured Stangmoor but the Master still has control of the Thunderbolt and the Doctor must find a way to stop him and destroy the Keller Machine.

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