The Big Bang Theory The Hook-up Reverberation (Season 8, Episode 4)
TV-PG
TV Episode | 19 min | Comedy, Romance

Primary photo for The Hook-up Reverberation

The Big Bang Theory

The Hook-up Reverberation (Season 8, Episode 4)

TV-PG

TV Episode | 19 min | Comedy, Romance

Raj's honesty about his past comes back to haunt him after Emily takes a dislike to Penny. Meanwhile, the guys consider investing in the comic book store.

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Cast	+ Add Cast
14 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 (as Kaley Cuoco-Sweeting) Penny (as Kaley Cuoco-Sweeting) 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)
Kevin Sussman Stuart Bloom Stuart Bloom See fewer	The Big Bang Theory (2007)
Laura Spencer Emily Sweeney Emily Sweeney See fewer	Character (2012)
Mark Barrett Cafeteria Patron (uncredited) Cafeteria Patron (uncredited) See fewer	Scary Movie 2 (2001)
Roni Dressel Cafeteria Patron (uncredited) Cafeteria Patron (uncredited) See fewer	Mom (2013)
Skyler Perry Comic Book Customer (uncredited) Comic Book Customer (uncredited) See fewer	Ojai (2025)
Alecia Winter Scott Comic Book Store Patron (uncredited) Comic Book Store Patron (uncredited) See fewer	Tales of the Universe (2017)
Johnny Vinton Cafeteria Patron (uncredited) Cafeteria Patron (uncredited) See fewer	Let It Be Me (1995)