When did Horizon Season 3 Episode 15 air?
Horizon Season 3 Episode 15 aired on July 17, 1966.


Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.
Horizon investigates the research conducted in England and America on the problems associated with autistic children.
Direct answers for episode-level questions and details.
Horizon Season 3 Episode 15 aired on July 17, 1966.
This episode runs for approximately 60 minutes.
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