1) Teenage Mutant Ninja Turtles (1980s-1990s version)
2) Nick Arcade.
3) POKEMON!
4) Super Mario Bros. Super Show.
5) Batman: The Animated Series.
6) Men In Black: The Animated Series.
7) Legends Of The Hidden Temple.
8) Double Dare.
9) Wild And Crazy Kids.
10) Muppet Babies.
I hate you for making me pick favorites. There's so many other things that could be on this list.
HONORABLE MENTIONS:
Sesame Street, Spongebob, Phineas & Ferb (I don't care that I didn't watch it as a kid, it's great), X-Men, The Amazing Spiderman, Street Sharks, Time Squad, Courage The Cowardly Dog, Hey Arnold, Ed Edd & Eddy.