The Scooby-Doo Show
Watch Out! The Willawaw! (3x1)
:
The Gang is waiting for Velma's Uncle to meet them but they get worried when he doesn't show up so they head back to his cabin they see something monstrous flying in the sky they learn that it's the willawaw an owl-like monster that according to legend will carry it's victim off when an owl calls the person's name but not only that but some owl creatures are on the loose.