When did Horizon Season 28 Episode 4 air?
Horizon Season 28 Episode 4 aired on January 28, 1991.
Horizon
Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.
Season 28 · Episode 4
Coming In from the Cold
Jan 28, 1991·1h
Horizon reports on the new arms verification industry emerging due to the new arms control treaties.
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How long is Horizon Season 28 Episode 4?
This episode runs for approximately 60 minutes.
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