The Big Bang Theory Season 6 Episode 6 - The Extract Obliteration

Airdate: 2012-Nov-01

Episode summary:

Sheldon's relationship with Stephen Hawking is threatened over a game of "Words with Friends," and Penny secretly enrolls in a class at the local college.

About The Big Bang Theory series:

The Big Bang Theory is an American sitcom that stars Johnny Galecki, Jim Parsons, Kaley Cuoco, Simon Helberg, Kunal Nayyar, Sara Gilbert, Melissa R...Show more >