Horizon
Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.
Season 23 · Episode 3 ·
Bitter Cold
Horizon presents a documentary on scientists who take themselves to Antarctica in 1980 to act as physical and mental guinea pigs.
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Episode 3 of season 23 of Horizon: “Bitter Cold”. Aired 1986-01-20. Watch it online free on ZapFlix.