When did Horizon Season 8 Episode 1 air?
Horizon Season 8 Episode 1 aired on January 4, 1971.


Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.
In this episode, Horizon looks a the efforts of zoos to save animal species from extinction by breeding enough to ensure their survival in captivity
Direct answers for episode-level questions and details.
Horizon Season 8 Episode 1 aired on January 4, 1971.
This episode runs for approximately 60 minutes.
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