‘Sheldon Cooper Presents: Fun with Flags’ is one of the recurring themes on the show, where he and his girlfriend Amy Farrah ...

The Big Bang Theory made ... who argued about string theory one minute and wore superhero costumes the next. Sheldon knocked on doors three times with perfect rhythm. Leonard fell for the girl ...

This Big Bang Theory episode is filled with Sheldon's signature physical comedy and the gang's lack of social skills. When Penny gifts Sheldon a napkin used and autographed by actor Leonard Nimoy ...

But Her Reason Actually Makes Sense Stuart Bloom was introduced in The Big Bang Theory Season 2 episode “The Hofstadter Isotope” as the owner of the comic book store that Leonard, Sheldon ...