Watch The Big Bang Theory – Season 1 Episode 9: The Cooper-Hofstadter Polarization
Cast: Jim Parsons , Kaley Cuoco , Johnny Galecki , Simon Helberg , Kunal Nayyar , Melissa Rauch , Mayim Bialik
Directors: Chuck Lorre , Bill Prady
Watch The Big Bang Theory – S1E9
Episode Overview
When they're invited to present at a physics conference, Sheldon's reluctance to share the credit leads to a tiff between him and Leonard, and Penny's intervention only exacerbates the situation.
