When Jonathan Winters invites Scooby and the kids to stay at the farm of his friend, Maude Frickert, they mistakenly believe it will be a vacation from haunted houses and spooky characters. They soon learn differently when vandalizing scoundrels and truly scary scarecrows overrun Maude's farm.

Scooby-Doo and his young companions are propelled into an otherworldly mystery when they accompany Phyllis Diller to Magic Mansion for a spooky séance under the leadership of Madam Zokar.