When did Horizon Season 23 Episode 16 air?
Horizon Season 23 Episode 16 aired on May 12, 1986.
Horizon
Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.
Season 23 · Episode 16
What Makes an Animal Smart?
May 12, 1986·1h
This report by Horizon takes a look at the instinctive side of intelligence in animals that shows us that we owe more to instinct than we may care to think.
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How long is Horizon Season 23 Episode 16?
This episode runs for approximately 60 minutes.
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