When did Horizon Season 12 Episode 1 air?
Horizon Season 12 Episode 1 aired on January 20, 1975.
Horizon
Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.
Season 12 · Episode 1
The Killer Dust
Jan 20, 1975·1h
This investigative report by Horizon covers an investigation into the deaths of people who inhaled asbestos dust at Acre Mill, Yorkshire, England.
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How long is Horizon Season 12 Episode 1?
This episode runs for approximately 60 minutes.
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