"Scooby and the gang are decorating a haunted house for Halloween. But when something spooky happens to the pumpkins, they wonder if the house is really haunted. It's a case only the Mystery Inc. gang can solve"--
A rebus story in which Scooby-Doo and the gang think the "haunted" house they created for Halloween really is haunted when the faces on their jack-o'-lanterns change.