Retraces how the mysteries of dinosaurs were first undiscovered by scientists in the 1800s.
Episode 1
When Englishman William Buckland found a large tooth in 1824, scientists began to unravel the mystery a world no one knew existed.
Episode 2
Cronkite heads to Montana, Wyoming and Utah, where dinosaur bones were discovered in the 1870s.
Episode 3
A dinosaur egg was found in the Gobi Desert in 1922. More eggs were found later in a nesting site in Montana.
Episode 4
The story of an unusual dinosaur with feathers found in Germany in 1861.
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