When did Horizon Season 18 Episode 23 air?
Horizon Season 18 Episode 23 aired on November 16, 1981.
Horizon
Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.
Season 18 · Episode 23
Death of the Dinosaurs
Nov 16, 1981·1h
Horizon investigates theories about the mystery of why the dinosaurs disappeared 65 million years ago.
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Direct answers for episode-level questions and details.
How long is Horizon Season 18 Episode 23?
This episode runs for approximately 60 minutes.
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