I found this reading through other blogs that blogger links to. I know 80's nostalgia is trendy and played out (thanks a lot, VH1), but if you're at all into reliving pieces of your childhood and feeling alternately heartwarmed and sickened, check it out. Follow the TV intros link and the rest is self-explanatory. Do it for yourself, not just because the popular kids are doing it.
The ones that really got me: Punky Brewster (I didn't remember the song at all until I heard it, then I realized it had never left me), The Real Ghostbusters (How cool was that show?), the Super Mario Bros. Super Show (Holy crap, this is the dumbest thing I've ever seen; I used to watch it every day and I don't remember this at all), Teenage Mutant Ninja Turtles (Here called "Hero Turtles" rather than "Ninja Turtles"--some foreign markets are apparently sadly unfamiliar with Ninjas), My Secret Identity (At one point, my favorite show--was Jerry O'Connell still that fat then?), and Mask (loved the show, but wow, those are some awful lyrics).
And whatever you do, don't skip Samurai Pizza Cats.