When did Horizon Season 21 Episode 16 air?
Horizon Season 21 Episode 16 aired on November 5, 1984.


Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.
Horizon explores the behavioural patterns of sheep, cows, chickens, and pigs under both natural and intensive farming conditions.
Direct answers for episode-level questions and details.
Horizon Season 21 Episode 16 aired on November 5, 1984.
This episode runs for approximately 60 minutes.
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