Horizon — Season 12
S12E181975-06-3060m
Strange Sleep
Horizon investigates the discovery of gaseous anaesthetic from 1840 until the early years of 20th century.
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S12E18 — Strange Sleep
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Horizon investigates the discovery of gaseous anaesthetic from 1840 until the early years of 20th century.
Ready to watch
Auto-selects the best quality source for you