Peter L. Larson

Two years after the discovery of "Sue," the largest and most complete Tyrannosaurus Rex skeleton found to date, government officials seize the remains and claim that "Sue" was stolen from federal land.

A group of fossil hunters uncover not only the bones of a 77 million year old dinosaur, but its mummified and fossilized 'body'. After excavating the duckbill nicknamed 'Leonardo', scientists begin a battery of tests including a radiographic autopsy. Journey along with a team of paleontology experts as they make several astonishing discoveries including the creature's last meal and never-before-seen internal organs.

For the first time in 65 million years, innovative imaging technology enables viewers to see deep inside the body of a dinosaur to reveal the secrets of these ultimate prehistoric survival machines. Combining cinematic photo-real 3d graphics and leading-edge anatomy and paleontology, "Clash of the Dinosaurs" is a four-part special that peels back the skin, muscles and bones to show how they survived in such a violent world.