When did Horizon Season 21 Episode 6 air?
Horizon Season 21 Episode 6 aired on February 27, 1984.
Horizon
Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.
Season 21 · Episode 6
The Conquest of Parasites
Feb 27, 1984·1h
Horizon presents this report on parasites, their life styles, and the diseases they cause in Third World countries.
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How long is Horizon Season 21 Episode 6?
This episode runs for approximately 60 minutes.
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