The Turtles encounter their very first fanboy, a teenager who dresses up in a costume to fight crime as: The Pulverizer! Then, The Pulverizer is back, and this time the Turtles actually want his help to battle Shredder and stop him before he creates a mutant army. Finally, Donnie's attempts to invent a cure for the mutated Pulverizer are interrupted when the lovesick teenager escapes and terrorizes April as Mutagen Man!