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Sixty-five million years ago an asteroid the size of Mt. Everest slammed into the earth near South America exploding with the force of a million nuclear bombs and unleashing the power of the sun.
On a hillside in the badlands of South Dakota a paleontologist, on a routine expedition, discovers the tail of a duckbilled dinosaur named Edmontosaurus.
The scene of the worst mass slaughter in the prehistoric world was discovered by paleontologists in Canada in 1986.
The remains of two of the largest predatory mammals of North America are discovered in a cave in Wyoming.
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- Premiered: July 29, 2008
- Rating: None
- Premise: A series exploring the prehistoric world's fiercest predators includes the examination of excavation sites that reveal battles. (more)