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How the Universe Works S3E6 — Weapons of Mass Extinction
8.5

Weapons of Mass Extinction

8.5/10 · 115 votesAug 13, 201442 min

Ranked #5 of 9 in Season 3•matches the season avg

Discussion

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?

Season 3 Episodes9

Cast1

Erik Dellums

Erik Dellums

Self - Narrator

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Episode Summary

"Weapons of Mass Extinction" is episode 6 of How the Universe Works season 3. It scored 8.5/10 from 115 votes, ranking #5 of 9 episodes this season (season average 8.5). It aired on August 13, 2014.