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 before stealing the costumes of the gang's most notorious villains...Could it be that their nemesis, mad scientist Jonathan Jacobo has returned and is trying to recreate their deadliest foes?

CAST: Freddie Prinze Jr., Sarah Michelle Gellar, Matthew Lillard, Linda Cardellini, Seth Green, Peter Boyle

DIRECTOR: Raja Gosnell

RUN TIME: 93 min