Mine favorites is:

1. Rugrats (Yes, even the post-1998 episodes.)
2. Doug
3. Rocko's Modern Life/Ren and Stimpy
4. The Angry Beavers
5. Old Spongebob

Least Favorite:

1. All Grown Up
2. As Told By Ginger
3. Rocket Power
4. Catscratch
5. The X's