When did Horizon Season 6 Episode 36 air?
Horizon Season 6 Episode 36 aired on December 22, 1969.


Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.
Horizon explores the problem of feeding the growing world population.
Direct answers for episode-level questions and details.
Horizon Season 6 Episode 36 aired on December 22, 1969.
This episode runs for approximately 60 minutes.
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