The gang want to check out the new store at the mall, Dr. Yuckenstein's Make-a-Monster; but when a mega-sized monster comes to life and scares away all the customers, it's a monster of a mystery that only Scooby-Doo can solve.
Scooby-Doo and his friends volunteer at an animal shelter, and when one of the dogs appears to be a werewolf, Scooby, Shaggy, Fred, Velma, and Daphne try to get to the bottom of it.
Two years after a clash of egos forced Mystery, Inc. to close its doors, Scooby-Doo and his crime-solving cohorts are individually summoned to Spooky Island to investigate a series of paranormal incidents at the ultra-hip spring break hot spot. Concerned his park might truly be haunted, the owner tries to reunite those notoriously meddling detectives to solve the mystery before his supernatural secret scares away the college crowd.
Scooby-Doo and his friends at Mystery, Inc. head to the beach for some fun in the sun, but a sea monster might ruin their day if Scooby and Shaggy can't find the monster, and their missing friends.