When did Horizon Season 1 Episode 6 air?
Horizon Season 1 Episode 6 aired on September 21, 1964.


Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.
Prof. Arthur C. Clarke, Derek Price and Nigel Balchin discuss the past and future of science.
Direct answers for episode-level questions and details.
Horizon Season 1 Episode 6 aired on September 21, 1964.
This episode runs for approximately 60 minutes.
Comments coming soon
Discuss episodes with other viewers