Scooby-Doo packaged together for syndication as "The Scooby-Doo Show", under which title they continue to air. The "Scooby-Doo" characters first appeared outside of their regular Saturday morning format in "Scooby Goes Hollywood", an hour-long ABC television special aired in prime time on December 13, 1979. The special revolved around Shaggy and Scooby attempting to convince the network to move Scooby out of Saturday morning and into a prime-time series, and featured spoofs of then-current television series and films such as "Happy Days", "Superman: The Movie", "Laverne & Shirley" and "Charlie's Angels". In 1979, Scooby's tiny nephew Scrappy-Doo was added to both
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)