When did Horizon Season 1 Episode 2 air?
Horizon Season 1 Episode 2 aired on May 30, 1964.


Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.
Dr. Frank Darling and Dr. Eric Edson discuss different environmental priorities.
Direct answers for episode-level questions and details.
Horizon Season 1 Episode 2 aired on May 30, 1964.
This episode runs for approximately 60 minutes.
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