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),
Scooby-Doo and the Cyber Chase Chase" was released October 9, 2001 for both VHS and DVD formats. The film was re-released on Blu-ray on March 29, 2011. This was the first animated Scooby-Doo film to be produced in the high-definition format. "Scooby-Doo! and the Legend of the Vampire" was released on March 4, 2003. Scooby-Doo and the Cyber Chase Scooby-Doo and the Cyber Chase is a 2001 direct-to-video animated comic science fiction mystery film, and the fourth in a series of direct-to-video animated films based on Hanna-Barbera's "Scooby-Doo" Saturday morning cartoons. It was released on October 9, 2001. It features the Mystery, Inc. gang, which