When did Horizon Season 28 Episode 18 air?
Horizon Season 28 Episode 18 aired on May 20, 1991.
Horizon
Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.
Season 28 · Episode 18
Camelford - A Bitter Aftertaste
May 20, 1991·1h
Horizon explores the Camelford disaster, in which aluminium sulphate was accidentally added to drinking water in Cornwall in 1988.
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Direct answers for episode-level questions and details.
How long is Horizon Season 28 Episode 18?
This episode runs for approximately 60 minutes.
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