When did Horizon Season 16 Episode 3 air?
Horizon Season 16 Episode 3 aired on March 12, 1979.
Horizon
Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.
Season 16 · Episode 3
The Keys of Paradise
Mar 12, 1979·1h
Horizon follows the discovery of a chemical in the brain which has morphine-like properties.
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Direct answers for episode-level questions and details.
How long is Horizon Season 16 Episode 3?
This episode runs for approximately 60 minutes.
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