The Big Bang Theory: Season 7 Episode 22: The Proton Resurgence
Starring: Johnny Galecki, Jim Parsons, Kaley Cuoco, Simon Helberg, Kunal Nayyar, Melissa Rauch, Christine Baranski
Length: 21 minutes
On Air Date: 2 May 2013
The Big Bang Theory: S06E22 Description: Bernadette and Howard offer to watch Raj’s dog and live to regret it. Leonard and Sheldon hire their favorite childhood star to make an appearance.