Deep in the sewers, the four brothers—Raph, Leo, Donnie, and Mikey—are still in their early teen years. Guided by their rat sensei, Splinter, they train in ninjutsu, The series focuses on their journey to work as a cohesive unit and fulfill their destiny as heroes. Along the way, they battle bizarre mutants, face off against the evil
Superfly, and eventually confront the demon Shredder.
