When did Horizon Season 21 Episode 5 air?
Horizon Season 21 Episode 5 aired on February 13, 1984.
Horizon
Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.
Season 21 · Episode 5
Valley of the Inca
Feb 13, 1984·1h
In this documentary, Horizon examines the work at an archaeological project in the Cusichaca Valley, Peru.
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How long is Horizon Season 21 Episode 5?
This episode runs for approximately 60 minutes.
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