Scooby-Doo and Scrappy-Doo (1980 TV series) "The Richie Rich/Scooby-Doo Show". Following the final first-run episode on October 31, reruns from the first seasons were rerun alongside episodes from the second season. The following ran in 1982, as segments of "The Scooby & Scrappy-Doo/Puppy Hour". All segments were written and storyboarded at Hanna-Barbera, but were produced and animated by then-sister company Ruby-Spears Enterprises. Note: The third episode for each air date listed is the "Scrappy and Yabba-Doo" episode from that date. Warner Home Video released "The Richie Rich/Scooby-Doo Show: Volume 1" on DVD in Region 1 on May 20, 2008. All three seasons are available for download
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)