When did Horizon Season 25 Episode 1 air?
Horizon Season 25 Episode 1 aired on January 4, 1988.


Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.
This episode of Horizon looks at a new approach that holds hope for the treatment of Parkinson's Disease.
Direct answers for episode-level questions and details.
Horizon Season 25 Episode 1 aired on January 4, 1988.
This episode runs for approximately 60 minutes.
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