The New Scooby and Scrappy-Doo Show The New Scooby and Scrappy-Doo Show The New Scooby and Scrappy-Doo Show is the sixth incarnation of the Hanna-Barbera Saturday morning cartoon "Scooby-Doo". It premiered on September 10, 1983, and ran for one season on ABC as a half-hour program made up of two eleven-minute short cartoons. In 1984, the name of the show was changed to The New Scooby-Doo Mysteries, with the actual show format remaining the same. "The New Scooby-Doo Mysteries" ran for another season on ABC. The series airs reruns on Cartoon Network's classics channel Boomerang. Thirteen half-hour episodes, composed of twenty-four separate segments were produced under
Scooby-Doo the Night" on a flight to one of the development meetings, and decided to rename the dog "Scooby-Doo" and re-rechristen the show "Scooby-Doo, Where Are You!" The revised show was re-presented to CBS executives, who approved it for production. The first episode of "Scooby-Doo, Where Are You!" "What a Night for a Knight" debuted on the CBS network Saturday, September 13, 1969. The original voice cast featured veteran voice actor Don Messick as Scooby-Doo, radio DJ Casey Kasem (later host of radio's syndicated "American Top 40") as Shaggy, actor Frank Welker (later a veteran voice actor in his own right)