Madison is confined at home with the flu, and her grandmother takes care of her while her mother is busy filming a documentary. In the meantime, Madison spies on the boy next door through her window.

In Riddle, where strange things often happen, fifth-grader Jesse Ranger and three classmates, all big fans of B-grade monster movies made by a reclusive local director, are recruited to round up the creatures that are coming to life when original films are shown.

Fifth-grader Damon Molloy and his classmates in the Monster Squad must save the world again when giant insects from an old horror film come alive.

Has the whole world gone bonkers? Mrs. Wing takes a sudden leave of absence, but no one knows why. Aimee's dog Blossom is having puppies--but with the wrong doggy dad. Worst of all, a new Web board has rumors flying high in Far Hills. As usual, Madison's in the middle. Can she make sense out of things before it's too late?

Bubbles is tired of being treated like a baby and sets out to prove how tough she can be. But that's exactly what villain Mojo Jojo is counting on in order to trap the Powerpuff Girls.