The Big Bang Theory

The Big Bang Theory

The Toast Derivation (4x17)


Air date: Feb 24, 2011

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

  • Premiered: Sep 2007
  • Episodes: 279
  • Followers: 54,4k
  • Ended
  • CBS
  • Thursday at 20