When did Horizon Season 23 Episode 4 air?
Horizon Season 23 Episode 4 aired on January 27, 1986.
Horizon
Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.
Season 23 · Episode 4
The Mould, the Myth and the Microbe
Jan 27, 1986·1h
Horizon explores the myth about the discovery of the antibiotic penicillin.
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How long is Horizon Season 23 Episode 4?
This episode runs for approximately 60 minutes.
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