A Pup Named Scooby-Doo (1988)
The world's favorite chicken-hearted canine, as a puppy? That's right! And the old gang is back with him. Shaggy, Daphne, Velma, and Freddy are all here as gangly kids — goofing off, solving kid-size mysteries, and having run-ins with ghouls, ghosts, and goblins.