When did Horizon Season 8 Episode 20 air?
Horizon Season 8 Episode 20 aired on June 21, 1971.
Horizon
Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.
Season 8 · Episode 20
The Dinosaur Hunters
Jun 21, 1971·1h
Horizon explores the field of palaeontology, the study of dinosaurs.
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Direct answers for episode-level questions and details.
How long is Horizon Season 8 Episode 20?
This episode runs for approximately 60 minutes.
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