How the Universe Works

Name: Weapons of Mass Extinction
Duration: 2520000 s
Cast: Erik Dellums

Weapons of Mass Extinction

Directed by Mark Bridge

TV-G

S3 • E6 Aug 13, 2014 42m

8.4

Asteroids strike, planets collide, black holes blast out death rays, volcanoes erupt and ice engulfs the planet. These are the universe’s weapons of extinction. They’ve happened before - wiping out entire species, and they will happen again. Are we next?