When did Horizon Season 2 Episode 18 air?
Horizon Season 2 Episode 18 aired on September 22, 1965.


Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.
On the 300th anniversary of Isaac Newton's greatest year of discovery, one of his most ardent disciples, Prof. Julius Summer-Miller, comes from California to illustrate the excitement of seeing Newton's principles in action.
Direct answers for episode-level questions and details.
Horizon Season 2 Episode 18 aired on September 22, 1965.
This episode runs for approximately 60 minutes.
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