Watch free series The Big Bang Theory season 3 episode 22 S3E22 - The Staircase Implementation 2010 with English subtitles
Leonard tells Penny about how he and Sheldon became roommates and what happened to the elevator.
Country : USA
Director : Mark Cendrowski
IMDB rating : 9.1
Released : 17 May 2010
Stars : Johnny Galecki, Jim Parsons, Kaley Cuoco, Simon Helberg
Writer : Chuck Lorre (created by), Bill Prady (created by), Chuck Lorre (teleplay), David Goetsch (teleplay), Maria Ferrari (teleplay), Lee Aronsohn (story), Steven Molaro (story), Steve Holland (story), Maria Ferrari (executive story editor)