Scooby-Doo and "Scooby-Doo and the Reluctant Werewolf" (1988). These three films took their tone from the early-1980s "Scooby-Doo and Scrappy-Doo" entries, and featured the characters encountering actual monsters and ghosts rather than masqueraded people. Scooby-Doo and Shaggy later appeared as the narrators of the made-for-TV movie "Arabian Nights", originally broadcast by TBS in 1994, Don Messick's final outing as the original voice of Scooby-Doo. Reruns of "Scooby-Doo" have been in syndication since 1980, and have also been shown on cable television networks such as TBS Superstation (until 1989) and USA Network (as part of the USA Cartoon Express from 1990 to
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)