The ghost of Mr. Hyde is scaling walls and breaking into shops to steal jewelry. But Hyde picks the wrong place to hide when he sneaks into the Mystery Machine after one of his capers. Scooby and the gang soon find him and flee for their lives. But they're not too scared to investigate this mystery. The gang searches for clues at the home of Dr. Jekyll, who believes he may be turning into the ghost himself. But Helga, the untidy housemaid, is another suspect. The ghost of Mr. Hyde will be seeing ghosts himself before the gang finds out who he really is. Written by J. Spurlin

Two zombies want the golden mask Daphne has just bought from a Chinese curio shop.

A caveman is resurrected from a block of ice at an aquarium, and the gang must stop him.

After finding a injured bank guard on the road the gang decide to investigate the true identity the ghoulish bank robber.

A detour causes the gang to run into a headless specter in a maze of a mansion.

The gang must chase down a vengeful witch-doctor during a vacation in Hawaii.

A werewolf ghost is inhabiting an abandoned mill, and crashes the gang's camp site, prompting them to go find him.

A wax sculpture attacks the gang at a radio station, leading them to search the town's wax museum.