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The Big Bang Theory

S1-E13 The Bat Jar Conjecture

S1-E13 The Bat Jar Conjecture



Leonard, Raj and Howard kick Sheldon off their physics quiz team and replace him with Leslie Winkle, so he decides to prove his superiority by forming a rival quartet of his own. Johnny Galecki and Jim Parsons star.

Cast & Crew

Leonard Hofstadter Johnny Galecki
Sheldon Cooper Jim Parsons
Penny Kaley Cuoco
Howard Wolowitz Simon Helberg
Raj Koothrappali Kunal Nayyar
Leslie Winkle Sara Gilbert
Dr Eric Gablehauser Mark Harelik
Dmitri Adam Gregor
Woman Sandra Marquez
Son Sergio Enrique
Director Mark Cendrowski
Writer Bill Prady
Writer Robert Cohen
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