3x13 - The New Adventures of Superman

Clark Kent, Lois Lane, and Jimmy Olsen are in Scotland. As Clark heads off to sleep at a local inn, Lois and Jimmy head to the mysterious Kilbane Castle. There two twins try to scare the reporters off the property. The twins don't want them to discover that their clan stole the castle from another clan. Unfortunately, their scare tactics manage to awaken a ghost from the other clan.