The Big Thinker


The Big Thinker is the twelfth episode of the second series of the 1960s cult British spy-fi television series The Avengers, starring Patrick Macnee and Honor Blackman. It originally aired on ABC on 15 December 1962. The episode was directed by Kim Mills and written by Martin Woodhouse.

Plot

A new cryogenic missile defence system computer, Plato, springs a deadly leak. Sabotage? Murder? Steed investigates while Cathy plays cards with sharks.

Cast