. . . . . . . . . . . . . . . . . "Leonard tells Penny the tale of how he met Sheldon, Raj and Howard and what happened to break their elevator."@en . . . . "Season 2"@en . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . "The Staircase Implementation"@en . . . . . . . . . . . . . . "2010-05-17"^^ . . . . . . . . . "The Staircase Implementation"@en . "3"^^ . . . . . . . . . . "Message left by Sheldon's former roommate."@en . . . . . "Season 4"@en . "Leonard tells Penny the tale of how he met Sheldon, Raj and Howard and what happened to break their elevator."@en . . "22"^^ . . . . . . . . . . . . . . . . .