Top 30: Big Bang Theory
The Staircase Implementation
Season 3 Episode 22 of 23
The comedy flashes back to reveal how Sheldon saved the lives of his pals, and looks at the origins of his friendship with Leonard seven years previously, as well as explaining the housemates' agreement. Johnny Galecki and Jim Parsons star
Top 30: Big Bang Theory airs on E4 +1 at 7:00 PM, Wednesday 17 December. (Subtitles, audio description.)
Topics
Movie ➝ Drama
Sitcom
Johnny Galecki
Actor
Jim Parsons
Actor
Kaley Cuoco
Actor