When did Horizon Season 28 Episode 8 air?
Horizon Season 28 Episode 8 aired on February 25, 1991.
Horizon
Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.
Season 28 · Episode 8
The Day the Earth Melted
Feb 25, 1991·1h
This episode of Horizon examines 20 years of research which has led to a new theory on how the earth's crust was made.
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How long is Horizon Season 28 Episode 8?
This episode runs for approximately 60 minutes.
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