The Big Bang Theory: Season 3 Episode 15: The Large Hadron Collision
Starring: Johnny Galecki, Jim Parsons, Kaley Cuoco, Simon Helberg, Kunal Nayyar, Carol Ann Susi
Length: 21 minutes
On Air Date: 9 Jun 2010
The Big Bang Theory: S03E15 Description: When Leonard is offered a trip to Switzerland on Valentine’s Day to visit the CERN laboratory, Sheldon uses any and all means to be his guest instead of Penny.