Scooby-Doo! and the Curse of the 13th Ghost

Mystery Incorporated goes into retirement after an investigation results in a wrongful incarceration. When Vincent Van Ghoul contacts the gang about an unfinished investigation from Daphne, Shaggy and Scooby's past, the gang springs into action to finish the job that involves catching the 13th Ghost that escaped from the Chest of Demons and is still at large.