When did Horizon Season 9 Episode 27 air?
Horizon Season 9 Episode 27 aired on November 9, 1972.
Horizon
Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.
Season 9 · Episode 27
The Billion-Dollar Marsh
Nov 9, 1972·1h
This episode of Horizon is about the east coast marshes of America, called the "Wetlands" and the effects of urban development on the wildlife.
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Direct answers for episode-level questions and details.
How long is Horizon Season 9 Episode 27?
This episode runs for approximately 60 minutes.
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