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How the Universe Works· Season 3 · Episode 6

Weapons of Mass Extinction

S03E06·8.3·August 13, 2014·1h·Science

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.

Streaming on (US) HBO Max Amazon ChannelDiscovery+ Amazon ChannelYouTube TVPhiloScience ChannelSee all

#4In Season 3of 9 rated episodes
#54All-timeof 92 rated episodes
+0.1vs season avgSeason 3 averages 8.2
2014First airedAugust 13, 2014

Guest stars

Julie McEneryJulie McEneryas Astrophysicist
Chris McKayChris McKayas Astrobiologist
Dougal JerramDougal Jerramas Volcanologist
Neil Gehrelsas Experimental Physicist

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