When did Horizon Season 9 Episode 2 air?
Horizon Season 9 Episode 2 aired on January 10, 1972.


Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.
Horizon explores the American Navajo indian tribe of New Mexico, in the United States.
Direct answers for episode-level questions and details.
Horizon Season 9 Episode 2 aired on January 10, 1972.
This episode runs for approximately 60 minutes.
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