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The Big Bang Theory season 4 episode 17

The Toast Derivation

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

The Big Bang Theory: Season 4 Episode 17
The Big Bang Theory: Season 4 Episode 17
The Big Bang Theory: Season 4 Episode 17
The Big Bang Theory: Season 4 Episode 17
The Big Bang Theory: Season 4 Episode 17
The Big Bang Theory: Season 4 Episode 17
The Big Bang Theory: Season 4 Episode 17
The Big Bang Theory: Season 4 Episode 17
The Big Bang Theory: Season 4 Episode 17
The Big Bang Theory: Season 4 Episode 17
Feb. 24, 2011

The Big Bang Theory season 4