The Big Bang Theory · SEASON 4

The Toast Derivation

Episode 17 · 2011-02-24

★ 7.6
The Big Bang Theory poster
Season 4Episode 17★ 7.6/10
  • Comedy

Episode overview

Sheldon becomes concerned when everybody begins to hang out at Raj's apartment and discovers Leonard is the center of the group.

21 minutes

Season 4 episodes