
Aired Thursday 24 April,
6:30pm - 7:00pmon E4 +1
The Big Bang Theory
Series 3 Episode 22: The Staircase ImplementationThis episode flashes back to the start of Sheldon and Leonard friendship seven years previously and explains the housemate agreement and how Sheldon saved the lives of his friends.
- Category
- Sitcom
- Original air date
- 17/05/2010
Cast and crew