When did Horizon Season 22 Episode 1 air?
Horizon Season 22 Episode 1 aired on January 7, 1985.
Horizon
Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.
Season 22 · Episode 1
Colourful Notions
Jan 7, 1985·1h
Documentary about colour perception based on the theories of Dr. Edwin Land, which oppose the long-held three-receptor theory of colour vision
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How long is Horizon Season 22 Episode 1?
This episode runs for approximately 60 minutes.
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