You are going to Watch What’s New, Scooby-Doo? Episode 21 online free episodes with HQ / high quality. Stream cartoons What’s New, Scooby-Doo? Episode 21 Online Homeward Hound, After the gang votes on their destination they end up at the annual dog show courtesy of Scooby. There Shaggy runs into an old acquaintance Meadow and her dog, Milady Moonbeam. However, the gang then has an unpleasant run-in with a Cat Creature who seems bent on ruining the dog-show and stealing the puppies of former winner dog, Crissie. This episode marks the first appearance of the Secret Six puppies: Maize, Flax, Jingle, Knox, 14-Carat and Bling-Bling and their owner Mr. B.