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Experts from a variety of scientific backgrounds come together to try to explain what caused the mass extinction of dinosaurs and other life-forms 65 million years ago.

Jurassic Fight Club

Armageddon

A paleontologist on a routine expedition in South Dakota discovers the mummified tail of a massive duckbilled dinosaur that appears to indicate an attack by both small raptors and a big tyrannosaurus rex.

Raptor vs. T-Rex

Paleontologists piece together evidence of an epic prehistoric battle as they uncover hundreds of bones piled one atop the other that indicate an entire herd of plant-eating dinosaurs was killed by large predators in a single event.

River of Death

The remains of a mega-lion and a short-faced bear found in a cave in Wyoming provide evidence of a prehistoric fight to the death between two of North America's largest predatory mammals.

Ice Age Monsters

Experts search for the largest prehistoric killer of all; elite predators included the Utahraptor, allosaurus, majungatholus, Albertosaurus and tyrannosaurus.

Biggest Killers

Scientists reconstruct a battle for domination between an allosaurus and a ceratosaurus after discovering the remains of two types of predators and two kinds of herbivores in a Colorado quarry.

Hunter Becomes Hunted

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Scientists dissect battles involving gigantic predators of the prehistoric world.

S1 E7 | Biggest Killers