Scrappy-Doo show around Scrappy in 1980. The original format of four teenagers and their dog(s) solving faux-supernatural mysteries for a half-hour was eschewed for simpler, more comedic adventures which involved real supernatural villains (the villains in previous "Scooby" episodes were almost always regular humans in disguise). Scrappy remained an integral part of the "Scooby-Doo" franchise, on both TV and in "Scooby"-related licensed products and merchandising, through the end of the 1980s. He was also briefly the star of his own seven-minute shorts — the "Scrappy & Yabba-Doo" segments of "The Scooby & Scrappy-Doo/Puppy Hour". Teamed with his uncle Yabba-Doo and Deputy
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)