Laurie Metcalf
Mary Cooper
EpisodeS3E122 min2009-09-21
The Big Bang Theory
The Electric Can Opener Fluctuation
When Sheldon learns the guys tampered with his expedition data he got from the arctic, he leaves to Texas in disgrace. This results in the guys following him, which threatens Leonard's hope for some romantic time with Penny and the guys' friendship with Sheldon.
Crew
Episode-specific crew credits.
