Aired
December 27, 2017
NOVA
NOVA
Day the Dinosaurs Died #S44E28
66 million years ago, a seven-mile-wide asteroid collided with Earth, triggering a chain of events that coincide with the end of the dinosaurs. But experts have long debated exactly what happened when the asteroid struck and how the giant beasts met their end. Now, scientists have uncovered compelling new clues about the catastrophe.
Episode 28 of Season 44 from NOVA — available to stream in HD on any device.
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