Duration: 22m

TV-PG 9.0 Comedy / Romance

The Big Bang Theory S3E22

Leonard tells Penny about how he and Sheldon became roommates and what happened to the elevator.

Release Date: May 17, 2010 (USA)

Creator: Chuck Lorre, Bill Prady

Cast: Johnny Galecki, Jim Parsons, Kaley Cuoco, Simon Helberg, Kunal Nayyar, Melissa Rauch, Mayim Bialik, Kevin Sussman, Bob Newhart