Season 3, Episode 9 The Vengeance Formulation
First Aired: November 23, 2009
Sheldon is humiliated on National Public Radio and vows vengeance on Kripke; and Wolowitz begins a relationship with Katee Sackhoff, who appears in a cameo. Ira Flatow also makes a cameo appearance.
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- 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. Like the universe after the big bang, the show's popularity expanded, thanks to breakout star Jim Parsons, along with the… (more)