The villainous, dog-hating madman known as SCRATCH holds the city's dogs hostage! His only demand? For the Night Ninja to surrender! But Leo, April and the Turtles realize there's more to Scratch than meets the eye.

No one likes Rod, especially the Turtles! Bishop's former intern keeps trying to kidnap them and steam their mutant blood, but when Rod himself is kidnapped... Mikey is on the case! His first suspect: the mutant-hating Mechazoid maker BISHOP.