This episode remains one of Sheldon Cooper's funniest scenes in The Big Bang Theory, showcasing his unique logic and his ...

Add Yahoo as a preferred source to see more of our stories on Google. A look at one of TV's most memorable characters throughout the years Sonja Flemming/CBS via Getty; Robert Voets/CBS via Getty Jim ...

Sheldon Cooper (Jim Parsons) is the heart and soul of "The Big Bang Theory" — for worse or for better, depending on how you feel about the sometimes controversial, sometimes abrasive character.

"Young Sheldon" tells childhood tales that don't always match up with "The Big Bang Theory." There's an easy twist that ...