The Big Bang Theory
The Einstein Approximation (02/01/2010)
Overview
Sheldon's search for the answer to a physics problem leads him to work at the Cheesecake Factory with Penny.
Main Cast
Johnny Galecki
Leonard Hofstadter
Jim Parsons
Sheldon Cooper
Kaley Cuoco
Penny
Simon Helberg
Howard Wolowitz
Kunal Nayyar
Rajesh Koothrappali