The Big Bang Theory Episode 9.22 “The Fermentation Bifurcation” Promo

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CBS has released a first look at this week’s all-new The Big Bang Theory episode titled “The Fermentation Bifurcation.”

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Episode synopsis: When the gang goes to wine tasting, Bernadette stays behind and gets stuck hanging out with Sheldon. Plus, everyone struggles to keep their cool when they run into Penny’s ex-boyfriend, Zack, and are introduced to Raj’s new lady-friend, Claire, on the next episode of The Big Bang Theoryentitled “The Fermentation Bifurcation.” 

Catch The Big Bang Theory Thursday nights on CBS!