When did Horizon Season 14 Episode 19 air?
Horizon Season 14 Episode 19 aired on October 7, 1977.


Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.
Horizon presents evidence that links the drought cycle with the number of magnetically-hyperactive sunspots.
Direct answers for episode-level questions and details.
Horizon Season 14 Episode 19 aired on October 7, 1977.
This episode runs for approximately 60 minutes.
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