When did Horizon Season 35 Episode 13 air?
Horizon Season 35 Episode 13 aired on October 1, 1998.
Horizon
Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.
Season 35 · Episode 13
Chimps on Death Row
Oct 1, 1998·1h
Horizon explores the history of experimentation with chimpanzees, our closest living relatives.
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Direct answers for episode-level questions and details.
How long is Horizon Season 35 Episode 13?
This episode runs for approximately 60 minutes.
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