When did Horizon Season 13 Episode 23 air?
Horizon Season 13 Episode 23 aired on November 1, 1976.
Horizon
Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.
Season 13 · Episode 23
The Hot-Blooded Dinosaurs
Nov 1, 1976·1h
Horizon makes an investigation into claims by a group of scientists who theorize that dinosaurs were not actaully cold-blooded reptiles, but hot-blooded, like mammals.
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How long is Horizon Season 13 Episode 23?
This episode runs for approximately 60 minutes.
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