The Big Bang Theory The Bachelor Party Corrosion (Season 9, Episode 3)
TV-14
TV Episode | 20 min | Comedy, Romance

Primary photo for The Bachelor Party Corrosion

The Big Bang Theory

The Bachelor Party Corrosion (Season 9, Episode 3)

TV-14

TV Episode | 20 min | Comedy, Romance

The guys's skills are put to the test when they get a flat tire on the way to Mexico for Leonard's bachelor party. The girls throw Penny a mini-bachelorette party.

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Cast	+ Add Cast
8 cast members

Name	Known for
Johnny Galecki Leonard Hofstadter Leonard Hofstadter See fewer	The Big Bang Theory (2007)
Jim Parsons Sheldon Cooper Sheldon Cooper See fewer	The Big Bang Theory (2007)
Kaley Cuoco Penny Hofstadter Penny Hofstadter See fewer	The Big Bang Theory (2007)
Simon Helberg Howard Wolowitz Howard Wolowitz See fewer	Florence Foster Jenkins (2016)
Kunal Nayyar Raj Koothrappali Raj Koothrappali See fewer	The Big Bang Theory (2007)
Mayim Bialik Amy Farrah Fowler Amy Farrah Fowler See fewer	Beaches (1988)
Melissa Rauch Bernadette Rostenkowski Bernadette Rostenkowski See fewer	The Big Bang Theory (2007)
Keith Carradine Wyatt Wyatt See fewer	Nashville (1975)