How The Earth Works

Season 1 Episode 2: Asteroid Armageddon

Investigating a giant asteroid that may have been responsible for killing off the dinosaurs. Also: a NASA super gun; an underground river in Mexico.

Genre:

Documentary, Reality

Seasons:

1

Episodes:

8

Cast:

Martin Pepper, Liz Bonnin

Quality:

HD

Duration:

45 min

First Air:

2013

Rating:

7.5