SHELDON AND BERNADETTE SPEND A NIGHT HANGING OUT TOGETHER WHILE THE REST OF THE GANG GOES TO A WINE TASTING, ON "THE BIG BANG THEORY," THURSDAY, APRIL 28
"The Fermentation Bifurcation" - The gang goes to a wine bar and runs into Penny's old boyfriend, Zack (Brian Thomas Smith)
. 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 (Alessandra Torresani)
, on THE BIG BANG THEORY, Thursday, April 28 (8:00-8:31 PM, ET/PT) on the CBS Television Network.
Brian Thomas Smith
WRITTEN BY: Steven Molaro, Jim Reynolds, Anthony Del Broccolo
TELEPLAY BY: Chuck Lorre, Steve Holland, Tara Hernandez
DIRECTED BY: Nikki Lorre