Happy Halloween, Scooby-Doo!: It's a well-known fact that Halloween is Scooby's and Shaggy's favorite holiday. Why? Because it's the one day out of the year when the monsters are guaranteed to be fake (plus, there's free candy everywhere!) But, this year, their sweet holiday turns sour when the Spookiest monster they've ever met starts knocking on doors and scaring everybody out of town! Now it's up to Scooby and his pals to solve the mystery of this terrifying trick-or-treat and save the day!Scooby-Doo, the movie: 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 sovle the mystery before his supernatural secret scares away the college crowd.