After solving their last mystery at Spooky Island, the Mystery Inc. gang is back in Coolsville, where they are being honored with their very own exhibit at the Coolsonian Criminology Museum. However, when a masked villain steals costumes of classic … Freddie Prinze Jr., Sarah Michelle Gellar, Matthew Lillard, Linda Cardellini, Seth Green, Peter Boyle, Tim Blake Nelson Added on crave 2022-05-16. Added on Netflix 2022-11-11. Youtube Trailer