Synopsis: The Gang investigates the dastardly plans of a masked villain who is planning to take control of the city of Coolsville by tampering with the "Monster Machine" that reproduces Mystery, Inc's classic foes such as The 10,000 Volt Ghost, Captain Cutler and The Creeper. Their investigation leads them to the Coolsonian Museum where they are attending a book release red carpet event, along the way they encounter the mysterious museum curator Patrick (Seth Green) and a pesky Reporter (Alicia Silverstone), with a reported romantic subplot between the Reporter and our beloved Fred.