When did Horizon Season 36 Episode 2 air?
Horizon Season 36 Episode 2 aired on February 4, 1999.


Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.
Horizon looks at the knowledge gained following the Spanish Flu Pandemic of 1918.
Direct answers for episode-level questions and details.
Horizon Season 36 Episode 2 aired on February 4, 1999.
This episode runs for approximately 60 minutes.
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