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The Big Bang Theory

S1-E9 The Cooper-Hofstadter Polarisation

S1-E9 The Cooper-Hofstadter Polarisation



Leonard and Sheldon receive an invitation to present their research to a physics conference, but Sheldon's reluctance to pander to his peers causes conflict between the friends. An intervention by Penny makes matters worse. 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
Chinese Leonard Talbott Chin
Chinese Sheldon Howard Chan
Director Joel Murray
Writer Chuck Lorre
Writer Dave Goetsch
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