The Big Bang Theory: Season 5 Episode 15: The Friendship Contraction
Starring: Johnny Galecki, Jim Parsons, Kaley Cuoco, Simon Helberg, Kunal Nayyar, Melissa Rauch, Christine Baranski
Length: 21 minutes
On Air Date: 2 Feb 2012
The Big Bang Theory: S05E15 Description: Leonard signs out of his roommate agreement, reducing himself and Sheldon to mere acquaintances, while Howard tries to think of a cool astronaut nickname for himself.