When did Horizon Season 5 Episode 21 air?
Horizon Season 5 Episode 21 aired on December 5, 1968.
Horizon
Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.
Season 5 · Episode 21
Black Man, White Science
Dec 5, 1968·1h
In this episode, Horizon investigates the study of science by african americans.
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Direct answers for episode-level questions and details.
How long is Horizon Season 5 Episode 21?
This episode runs for approximately 60 minutes.
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