Big Bang: A Teoria Temporada 9 Episódio 22

Name: The Fermentation Bifurcation
Released: April 28, 2016
Duration: 21m

The gang goes to a wine bar and runs into Pennys old boyfriend, Zack. Also, Bernadette gets stuck spending the evening with Sheldon when she cant go wine tasting with the group, and things dont go as planned when Koothrappali introduces his new girlfriend, Claire.