Turbo and his pals in the Superpet Superhero League are in super-big trouble when the flying ninja squirrels that live in the tree outside the school accuse them of stealing their sacred golden acorn! Truth be told, Professor Turtle IS in possession of it—that’s why he’s been so speedy lately—but he didn’t steal it! Can the superpets and ninja squirrels work it out and join forces to battle the real evil that’s lurking in the shadows of Sunnyview Elementary?