¡Enróllate, Scooby-Doo!

After Daphne agrees to babysit her friend's son, Wayne, the gang ends up going to an amusement park where an insane killer clown is lurking. Daphne attempts to focus on allowing Wayne to have a good time, but the rest of the gang investigates the park and tries to solve the mystery of Madcap, the killer clown.