The Big Bang Theory: Season 2 Episode 21: The Vegas Renormalization
Starring: Johnny Galecki, Jim Parsons, Kaley Cuoco, Simon Helberg, Kunal Nayyar, Carol Ann Susi
Length: 30 minutes
On Air Date: 9 Jun 2009
The Big Bang Theory: S02E21 Description: After being dumped by Leslie, Howard heads to Las Vegas with Leonard and Raj. Meanwhile, Penny is forced to take in Sheldon after he locks himself out of his apartment.