The Scooby & Scrappy-Doo/Puppy Hour The Scooby & Scrappy-Doo/Puppy Hour The Scooby & Scrappy-Doo/Puppy Hour is a 60-minute Saturday morning animated package show co-produced by Hanna-Barbera Productions and Ruby-Spears Enterprises and broadcast on ABC from September 25, 1982 to December 18, 1982. The show contained segments of "Scooby-Doo & Scrappy-Doo" (Hanna-Barbera), "Scrappy & Yabba-Doo" (Hanna-Barbera) and "The Puppy's New Adventures" (Ruby-Spears). The first half-hour consisted of a 7-minute "Scrappy & Yabba-Doo" episode placed between two 7-minute "Scooby-Doo & Scrappy-Doo" episodes followed by a 30-minute episode of "The Puppy's New Adventures" in the second half-hour. The Scooby/Scrappy-related shorts were written, storyboarded and voiced at Hanna-Barbera, but
The Scooby-Doo Show of which, "The Chiller Diller Movie Thriller", guest-starred Scooby-Doo and Scooby-Dum's distant female cousin, Scooby-Dee), plus reruns from the 1976–1977 season. The name of the block was changed to "Scooby's All-Stars" for the 1978–1979 season, when the program was shortened to an hour and a half, after the cancellation of "Dynomutt". 16 half-hours of "Scooby-Doo" (featuring just the original five characters) were produced this season, and began airing earlier in the morning before the "Scooby's All-Stars" block as a third season of "Scooby-Doo, Where Are You!" in September. "Scooby's All-Stars" instead aired reruns of the 1976 and 1977 episodes for