When did Horizon Season 11 Episode 10 air?
Horizon Season 11 Episode 10 aired on April 22, 1974.
Horizon
Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.
Season 11 · Episode 10
The First Ten Years
Apr 22, 1974·1h
In this report, Prof. John Maynard Smith looks back at some of the subjects Horizon has presented since 1964.
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How long is Horizon Season 11 Episode 10?
This episode runs for approximately 60 minutes.
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