5.0 Scooby-Doo 2: Monsters Unleashed 2004 Scooby-Doo 2: Monsters Unleashed IMDb: 5.0 2004 93 min 68 views When Mystery, Inc. are guests of honor at the grand opening of the Coolsville Museum of Criminology, a masked villain shows up and creates havoc ... AdventureComedyFamilyFantasyHorrorMystery