Plot: Crash Course Big History is back! It turns out, we couldn't tell all of the 13. 8 billion years of the history of the universe in 10 Crash Course Episodes
![Cast and Crew in Crash Course Big History - Season 2 - Episode 1 - Why Cosmic Evolution Matters Poster of Cast and Crew in Crash Course Big History - Season 2 - Episode 1 - Why Cosmic Evolution Matters](http://es.actoragecheck.com/lost-image.jpg)
Crash Course Big History - Season 2 - Why Cosmic Evolution Matters (Episode 1)
Episode Aired On:
Wednesday, May 24 2017
7 years ago
Wednesday, May 24 2017
7 years ago
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Episode 2