When did Horizon Season 9 Episode 12 air?
Horizon Season 9 Episode 12 aired on March 27, 1972.


Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.
This episode of Horizon follows the expedition of two German naturalists exploring the Northwestern desert of the Sahara in Africa.
Direct answers for episode-level questions and details.
Horizon Season 9 Episode 12 aired on March 27, 1972.
This episode runs for approximately 60 minutes.
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