May 30, 1964
Dr. Frank Darling and Dr. Eric Edson discuss different environmental priorities.
Episode 3
A Candle to Nature
June 27, 1964
A reconstruction of a Michael Faraday lecture last given in December 1860.
Episode 4
Strangeness Minus Three
July 25, 1964
Horizon explores the findings of physicists at Brookhaven, Long Island, New York. Who, after two years and thousands of photographs, have identified a predicted new particle which has a unique characteristic: 'strangeness minus three'.
Episode 5
The Air of Science
August 22, 1964
Horizon looks at the work of the National Institute for Medical Research.
Episode 6
The Knowledge Explosion
September 21, 1964
Prof. Arthur C. Clarke, Derek Price and Nigel Balchin discuss the past and future of science.
Episode 8
Tots and Quods and Woodgeries
November 16, 1964
Horizon investigates the 'Tots and Quots' and the 'Woodgeries' two groups set up by scientists before the second world war to discuss the future of science and how it effects society.
Episode 9
Science, Toys and Magic
December 14, 1964
Horizon takes a look at science in the spirit of Christmas.