When did Horizon Season 27 Episode 20 air?
Horizon Season 27 Episode 20 aired on June 25, 1990.
Horizon
Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.
Season 27 · Episode 20
AIDS: A Quest for a Cure
Jun 25, 1990·1h
Horizon investigates new breakthroughs in the scientific study, analysis, and reproduction of cells and their compounds, which may lead to the development of a cure for the AIDS virus.
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How long is Horizon Season 27 Episode 20?
This episode runs for approximately 60 minutes.
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