Season 13Episode 231h 0m
The Hot-Blooded Dinosaurs
1976-11-010.0 rating
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.
1976-11-010.0 rating
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.