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.
Comedy
More episodes from Season 6
More details
Directors
Mark Cendrowski, Peter Chakos, Anthony Rich
Cast
Johnny Galecki, Jim Parsons, Kaley Cuoco, Simon Helberg, Kunal Nayyar, Mayim Bialik, Melissa Rauch, Kevin Sussman