At first glance, it would appear that Gene Simmons of Kiss fame is the Diabolical Disc Demon. But it isn't! The Demon is real and it has decided to haunt Jimmy Lewis, a rock 'n' roll star.

In China, the gang runs into the Moon Monster. Legend has it that if you run into his shadow, you will get turned into stone.

The gang goes to visit their friend Antonio in Venice, Italy, and find that he's haunted by the ghost of an ancestor, the Ghostly Gondoleer, who seeks to steal the ancient necklace/family heirloom Antonio wears!

The gang is in Puerto Rico, the ghost is the comander of the ancient El Moro fortress named Juan Diego.

While touring England, the gang comes upon tennis star Jimmy Pelton, who's been cursed by the Warlock Anthos and told if he plays at Wimbledon, he's doomed!

On a fishing trip, the gang ends up in Canada at the newly deserted village of Bottomless Lake. Turns out the beast has scared everyone away, which only leaves Scooby, and the gang, to fritter away.