When did Horizon Season 21 Episode 3 air?
Horizon Season 21 Episode 3 aired on January 23, 1984.


Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.
This episode of Horizon looks at the role of scientists in agriculture throughout the Third World countries.
Direct answers for episode-level questions and details.
Horizon Season 21 Episode 3 aired on January 23, 1984.
This episode runs for approximately 60 minutes.
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