The Big Bang Theory: Season 5 Episode 21: The Hawking Excitation
Starring: Johnny Galecki, Jim Parsons, Kaley Cuoco, Simon Helberg, Kunal Nayyar, Melissa Rauch, Christine Baranski
Length: 19 minutes
On Air Date: 5 Apr 2012
The Big Bang Theory: S05E21 Description: Sheldon uses any and all means to meet his hero, Dr. Stephen Hawking.