Scooby-Doo and the gang decide to take a break from mystery-solving and have some fun at a water park. But . . . ruh-roh! Turns out the park's been abandoned . . . because it's haunted! Have no fear . . . Scooby-Doo is here. Can the terrified tail-wagger and his buddies get to the bottom of all this watery weirdness -- before it swallows them up?