When did Horizon Season 20 Episode 18 air?
Horizon Season 20 Episode 18 aired on October 24, 1983.
Horizon
Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.
Season 20 · Episode 18
The Cruel Choice
Oct 24, 1983·1h
Horizon presents a discussion on the use of animals for experiments.
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Direct answers for episode-level questions and details.
How long is Horizon Season 20 Episode 18?
This episode runs for approximately 60 minutes.
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