S09E23 The Line Substitution Solution The Big Bang Theory
calendar_today 2007. Chuck Lorre. Bill Prady.
people Johnny Galecki. Jim Parsons. Kaley Cuoco. Simon Helberg.
Sheldon hires Stuart to spend the day with Amy when heâ€™d rather go to a movie screening. Also, Leonardâ€™s mother, Beverly, comes to town and Penny struggles to make a connection with her.