S09E22 The Fermentation Bifurcation
The Big Bang Theory

calendar_today 2007. Chuck Lorre. Bill Prady.

stars 8.3 Comedy. Romance.

people Johnny Galecki. Jim Parsons. Kaley Cuoco. Simon Helberg.

Sheldon and Bernadette spend a night together while the rest of the gang goes to a wine tasting party, but things get uncomfortable for Raj when Zack also attends and takes an interest in Claire.