The teenage sleuths search the witch's home then embark on an airboat pursuit only to unearth a wealth of greed and smoke screens. A ski trip to Wolfe's End Lodge becomes spooky with the appearance of a snow ghost. The sleuths follow the snow ghost's trail to a Tibetan temple where they learn of the threat of ghostly revenge, then to a nearby sawmill where Shaggy and Scooby take a toboggan ride that neither will soon forget. When a vampire turns the birthday girl into a vampire it's up to the Scooby-Doo gang to return the guest of honor to her rightful state before the festivities commence. They all soon find out that she's right, her house is haunted.
Dead ghosts arise and form themselves into zombies.
A Glow in the Dark Mystery - Scooby and the Gang are invited to a Halloween costume party at a luxurious hotel. But when they arrive, they find the rest of the guests scared out of their wits.