When did Horizon Season 3 Episode 20 air?
Horizon Season 3 Episode 20 aired on November 7, 1966.


Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.
Christopher Chataway presents a program on the development of the rocket, first as a weapon, and then for the American space program.
Direct answers for episode-level questions and details.
Horizon Season 3 Episode 20 aired on November 7, 1966.
This episode runs for approximately 60 minutes.
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