When the Mystery Machine breaks down near The Three Stooge's ghost town theme park, the gang try to figure out who's been sabotaging the Stooge's rides and running away the tourists.

While visiting a ski lodge, the gang run into bellhops Laurel and Hardy, who attempt to help the gang uncover the mystery of the ghost of Bigfoot... but Laurel and Hardy are even more cowardly than Scooby and Shaggy!

While visiting Velma's former school, the gang runs into Tim Conway, who's coaching there. Now it's up to them to unmask the ghost of a former athlete who's running amok...