Was Seinfeld really a show about nothing? These dark fan theories will change the way everyone thinks about the classic TV ...

Knight played Newman in 44 episodes after debuting in season 3 of "Seinfeld," shaping him into one of the show's most prominent recurring characters. To this day, Jerry's disgusted "Hello ...

Seinfeld himself explained this bit of trivia ... and it finds Jerry, Kramer and Newman scared that Barry, an accountant who is responsible for their finances, may have a cocaine problem.