When did NOVA Season 44 Episode 28 air?
NOVA Season 44 Episode 28 aired on December 27, 2017 at 9 PM ET.


PBS' premier science series helps viewers of all ages explore the science behind the headlines. Along the way, NOVA demystifies science and technology, and highlights the people involved in scientific pursuits.

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.
Direct answers for episode-level questions and details.
NOVA Season 44 Episode 28 aired on December 27, 2017 at 9 PM ET.
This episode runs for approximately 55 minutes.
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