The Fermentation Bifurcation

April 28, 2016
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The Big Bang Theory - S9 - E22

The Fermentation Bifurcation

The gang goes to a wine bar and runs into Penny’s old boyfriend, Zack. Also, Bernadette gets stuck spending the evening with Sheldon when she can’t go wine tasting with the group, and things don’t go as planned when Koothrappali introduces his new girlfriend, Claire.

The Big Bang Theory: Season 9 - 24 Episode s