The Big Bang Theory > Season 1 > Episode 09 (9)

The Cooper-Hofstadter Polarization

Airdate: 17.03.2008

Cast:

Johnny Galecki	...	Leonard Hofstadter
Jim Parsons	...	Sheldon Cooper
Kaley Cuoco	...	Penny
Simon Helberg	...	Howard Wolowitz
Kunal Nayyar	...	Raj Koothrappali
Talbott Lin	...	Chinese Leonard
Howard Chan	...	Chinese Sheldon

Crew:

Joel Murray	...	Direction
Lee Aronsohn David Goetsch Chuck Lorre	...	Script

Plot:

Leonard and Sheldon's friendship is put to the test when Leonard wants to present a paper they co-authored at a physics convention, but Sheldon doesn't.