The Big Bang Theory
Season 9·EPISODE 22
The Fermentation Bifurcation
WatchedS09 · E22
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.
AIR DATEApr 28, 2016Original broadcast date
RUNTIME20m20 minutes
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