The Big Bang Theory: Season 1 Episode 9: The Cooper-Hofstadter Polarization
Starring: Johnny Galecki, Jim Parsons, Kaley Cuoco, Simon Helberg, Kunal Nayyar, Vernee Watson, Brian Patrick Wade
Length: 20 minutes
On Air Date: 17 Mar 2008
The Big Bang Theory: S01E09 Description: 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.