Promo images and preview clips for THE BIG BANG THEORY, episode 6.06, “The Extract Obliteration”.
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.
Featuring Johnny Galecki, Jim Parsons, Kaley Cuoco, Mayim Bialik, Simon Helberg, Kunal Nayyar, Melissa Rauch.
