Portrayed by with great comic aplomb by Jim Parsons, Sheldon Cooper is brilliant, demanding, supercilious, persnickety, and impossible not to watch. Cats, behavioral training, and more.

The Big Bang Theory and Young Sheldon enthusiasts were always curious to know Sheldon Cooper's favorite catchword, "Bazinga.

The Conners had a storyline that feels like Young Sheldon and The Big Bang Theory crossover that fans of those shows need to ...