What about Kitty and Puppy Brite? Weren't they there doing guard duty? Couldn't they have tried to stop Murky?

Nicely done!

Murky's cooked up a good plan, this time! I like stories where he's a competent villian, and not so silly as the later episodes made him.

One minor plot point- Lurky mentioned he dropped the ball somewhere, and Murky later thought he hadn't left any evidence. You might want to remove Lurky's comment, as Murky would have almost certainly realized what it meant, and it will be important later.

I'll be reading to see where this goes. Good job!