Masters of their domain: The "show about nothing" -- Seinfeld -- debuted in mid-1989. In many ways the show, which continued for nine seasons, really was about nothing. Phrases and quirks from the show, such as "yada, yada, yada," remain to this day. The main cast, from left, Michael Richards, Jerry Seinfeld, Julia Louis-Dreyfus, and Jason Alexander, are pictured above after receiving an Emmy in 1993. "Nothingness" continued its invasion when the Nintendo Game Boy came to the market. For those who don't remember it, the screen was primitive and green, but it was still an amazing way to spend a day.