The Big Bang Theory

The Peanut Reaction (Season 1, Episode 16)

TV-PG

TV Episode | 20 min | Comedy, Romance

When Penny learns that Leonard has never had a birthday party, she and the rest of the guys plan a surprise party for him.

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Cast	+ Add Cast
9 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)
Vernee Watson Althea (as Vernée Watson) Althea (as Vernée Watson) See fewer	Christmas with the Kranks (2004)
Judith Moreland Jan Jan See fewer	Bosch (2014)
Ronald Hunter Dan Dan See fewer	National Lampoon's Van Wilder (2002)
Chuck Carter Stan Stan See fewer	Elsewhere (2009)