Scooby-Doo featuring episodes of Hanna-Barbera's new "Richie Rich" cartoon, adapted from the Harvey Comics character. From 1982 to 1983, "Scooby-Doo and Scrappy-Doo" were part of "The Scooby-Doo/Scrappy-Doo/Puppy Hour", a co-production with Ruby-Spears Productions which featured two "Scooby and Scrappy" shorts, a "Scrappy and Yabba-Doo" short featuring Scrappy-Doo and his Western deputy uncle Yabba-Doo, and "The Puppy's New Adventures", based on characters from a 1977 Ruby-Spears TV special. Beginning in 1980, a half-hour of reruns from previous incarnations of "Scooby-Doo" were broadcast on ABC Saturday mornings in addition to first-run episodes. Airing under the titles "Scooby-Doo Classics", "Scary Scooby Funnies", "The Best
Scooby-Doo Animation and Hanna-Barbera (by then a subsidiary of Warner Bros. following the merger of Time Warner and Turner Entertainment in 1996) began producing one new "Scooby-Doo" direct-to-video movie a year beginning in 1998. These movies featured a slightly older version of the original five-character cast from the "Scooby-Doo, Where Are You!" days. The first four DTV entries were "Scooby-Doo on Zombie Island" (1998), "Scooby-Doo! and the Witch's Ghost" (1999), "Scooby-Doo and the Alien Invaders" (2000), and "Scooby-Doo and the Cyber Chase" (2001). Frank Welker was the only original voice cast member to return for these productions. Don Messick had died