The Big Bang Theory > Season 9 > Episode 22 (205)

The Fermentation Bifurcation

Airdate: 28.04.2016

Cast:

Johnny Galecki	...	Leonard Hofstadter
Jim Parsons	...	Sheldon Cooper
Kaley Cuoco	...	Penny Hofstadter
Simon Helberg	...	Howard Wolowitz
Kunal Nayyar	...	Raj Koothrappali
Mayim Bialik	...	Amy Farrah Fowler
Melissa Rauch	...	Bernadette Rostenkowski
Brian Smith	...	Zack Johnson
Alessandra Torresani	...	Claire

Crew:

Nicole Lorre	...	Direction
Chuck Lorre Steve Holland Tara Hernandez	...	Script

Plot:

Sheldon and Bernadette spend the evening together while the rest of the gang go to a wine tasting party, but things get uncomfortable for Raj when Penny's ex-boyfriend Zack shows up and takes an interest in Claire.