Scooby-Doo, Where Are You? #41

When the Mystery Inc. Gang takes an unexpected Midwestern detour, they make the best of it by visiting sites left by prehistoric North American culture known as the Mound Builders. But have the legendary Annunaki made a return appearance, or is someone looking for the secrets of the mound for themselves?

Characters: Daphne Blake, Fred Jones, Scooby-Doo, Shaggy, Velma Dinkley