Ranked #3 of 3 in Season 1•−0.1 vs season avg
"The Key to the Cosmos," poses the ultimate-of-ultimate questions: Why does the universe exist and why does it follow rules and laws? What's the point of the enormous, endless cosmos, and why is it so perfectly tuned so as to allow life to exist? From
Benedict Cumberbatch
Narrator (voice)
Stephen Hawking
Self
Tom Bonington
Brain Surgeon
Bill Hutchens
Galileo
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"The Key to the Cosmos" is episode 2 of Stephen Hawking's Grand Design season 1. It scored 8.2/10 from 85 votes, ranking #3 of 3 episodes this season (season average 8.3). It aired on September 20, 2012.
