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?
How the Universe Works - 3x06 Weapons of Mass Extinction
- Poor
- Nothing special
- Worth watching
- Pretty cool
- Awesome
- Aired Aug 13, 2014
- Episode 3x06
- Show special No
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