Season 4, Episode 17 The Toast Derivation
First Aired: February 24, 2011
Sheldon is in crisis when he realizes he's not the epicenter of the group, so, he decides to find new friends.
Cast & Details See all »
- Premiered: September 24, 2007
- Rating: TV-PG
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- Premise: Two nerdy physicists share an apartment and an unlikely friendship with their beautiful neighbor with whom one of them is infatuated. (more)