When did Horizon Season 6 Episode 2 air?
Horizon Season 6 Episode 2 aired on January 9, 1969.
Horizon
Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.
Season 6 · Episode 2
If Only They Could Speak
Jan 9, 1969·1h
A report by Horizon examining animal intelligence and looking at the reasons why no other animal has matched man in mental ability.
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How long is Horizon Season 6 Episode 2?
This episode runs for approximately 60 minutes.
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