When did Horizon Season 21 Episode 7 air?
Horizon Season 21 Episode 7 aired on March 5, 1984.


Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.
Horizon investigates the life for various civilizations along the river Waveney in east Angola.
Direct answers for episode-level questions and details.
Horizon Season 21 Episode 7 aired on March 5, 1984.
This episode runs for approximately 60 minutes.
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