When did Horizon Season 0 Episode 10 air?
Horizon Season 0 Episode 10 aired on March 13, 1986.
Horizon
Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.
Season 0 · Episode 10
Halley's Comet - The Encounter
Mar 13, 1986·1h
Special on Halley's comet
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Direct answers for episode-level questions and details.
How long is Horizon Season 0 Episode 10?
This episode runs for approximately 60 minutes.
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