Narrator (voice)
Barbara Feldon
Narrator (voice)

Features some of the then-modern theories about dinosaurs and how they lived, from the appearance of early forms like Herrerasaurus, to the Tyrannosaurus and ceratopsians of the Late Cretaceous. Discusses the possibilities whether dinosaurs were active, warm-blooded animals, had parental care, were ancestors to birds, and what caused their extinction.
Narrator (voice)
Barbara Feldon
Narrator (voice)
Self - Commentor
Robert Bakker
Self - Commentor
Self - Commentor
Jack Horner
Self - Commentor
Self - Commentor
Paul Sereno
Self - Commentor
Self - Paleontologist
James Farlow
Self - Paleontologist
Self - Historian of Science
Martin Rudwick
Self - Historian of Science
Self
David Norman
Self
Self - Dean of Science
Michael Novacek
Self - Dean of Science
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