The Big Bang Theory The 43 Peculiarity (Season 6, Episode 8)
TV-PG
TV Episode | 21 min | Comedy, Romance

The Big Bang Theory

The 43 Peculiarity (Season 6, Episode 8)

TV-PG

TV Episode | 21 min | Comedy, Romance

Leonard feels threatened after hearing about Penny's study partner at school, while Howard and Raj become determined to find out one of Sheldon's secrets.

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Cast	+ Add Cast
7 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 Penny 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)
Margo Harshman Alex Jensen Alex Jensen See fewer	Fired Up! (2009)
Ryan Cartwright Cole Cole See fewer	Bones (2005)