[s3e15] The Large Hadron Collision ✪ ❲COMPLETE❳

Leonard is granted a trip to Geneva to see the CERN supercollider. Although Sheldon cites their Roommate Agreement , which requires Leonard to take him if ever invited to CERN, Leonard chooses to take Penny for a romantic Valentine’s getaway.

is the 15th episode of the third season of The Big Bang Theory , which originally aired on February 8, 2010. In this Valentine's Day-themed episode, Leonard is invited to visit the Large Hadron Collider in Switzerland and must choose between taking his girlfriend, Penny, or his roommate, Sheldon. Plot Summary [S3E15] The Large Hadron Collision

"The Big Bang Theory" The Large Hadron Collision (TV ... - IMDb Leonard is granted a trip to Geneva to