When did Horizon Season 11 Episode 15 air?
Horizon Season 11 Episode 15 aired on June 10, 1974.
Horizon
Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.
Season 11 · Episode 15
Search for Life
Jun 10, 1974·1h
Documentary about the origins of life which attempts to find out what happened in the one billion years before fossil evidence begins.
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Direct answers for episode-level questions and details.
How long is Horizon Season 11 Episode 15?
This episode runs for approximately 60 minutes.
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