When did Horizon Season 21 Episode 1 air?
Horizon Season 21 Episode 1 aired on January 9, 1984.


Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.
Sir Cyril Burt died in 1971, the most eminent psychologist of his age. Within two years the most bitter and disturbing scientific controversy since Piltdown Man saw Burt accused of lifelong faking and manipulation of phoney data. How and why was Burt allowed to get away with this?
Direct answers for episode-level questions and details.
Horizon Season 21 Episode 1 aired on January 9, 1984.
This episode runs for approximately 60 minutes.
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