1. The Origin of Sludge
The beginning of an ongoing series...
2. Sludge's Credo
3. Sludge Does Robin
4. Sludge the College Professor
5. Splorp!
6. Sludge the Entrepreneur
An Alternate Reality Sludge Adventure!
You decide the ending!
7. Sludge: What Is He?
8. A Fight!
9. Sludge Gets a Job
10. Christmas Sludge
11. Ancient Sludge
12. Sludge Parties Hard and Kicks Butt