The Scooby-Doo Show
The gang was going to meet Velma's uncle at his cabin. The gang gets worried when they found him gone. While looking for Velma's uncle, they saw something monstrous flying in the sky. They learned from Red Herron, that it's the Willawaw, an owl-like monster that, according to legend, will carry its victim off when an owl calls the person's name, but not only that, but also some owl creatures are on the loose.