Scooby-Doo the head story editor on "Scooby-Doo" since 1983. Following the first season of "A Pup Named Scooby-Doo", Ruegger and much of his unit defected from Hanna-Barbera to Warner Bros. Animation to develop "Steven Spielberg Presents Tiny Toon Adventures" and later "Animaniacs", "Pinky and the Brain", and "Freakazoid!". From 1987 to 1988, Hanna-Barbera Productions produced "Hanna-Barbera Superstars 10", a series of syndicated TV movies featuring their most popular characters, including Yogi Bear, Huckleberry Hound, The Flintstones and The Jetsons. Scooby-Doo, Scrappy-Doo and Shaggy starred in three of these movies: "Scooby-Doo Meets the Boo Brothers" (1987), "Scooby-Doo and the Ghoul School" (1988),
The Scooby-Doo Show other half of the hour was filled by "Dynomutt, Dog Wonder", a new Hanna-Barbera cartoon about a superhero named Blue Falcon and his goofy mechanical canine sidekick, Dynomutt. The Mystery, Inc. gang made guest appearances in three of the "Dynomutt, Dog Wonder" segments. The show was renamed to "The Scooby-Doo / Dynomutt Show" when ABC added a rerun of "Scooby-Doo, Where Are You!" to the show in November 1976. In 1977, ABC had a programming block called "Scooby's All-Star Laff-A-Lympics". The "Scooby-Doo" segment of this two-hour block included 8 new episodes of "Scooby-Doo" (two of which featured Scooby-Dum and one