Scrappy-Doo 1979 had begun to sink to the point of cancellation threats from ABC, who were considering between choosing between Scooby-Doo and an unnamed pilot From Ruby-Spears Enterprises, whose pilot Evanier had also written. He successfully boosted the show's ratings and kept the show alive. Scrappy has a contradicted origin. Originally as shown in the introduction of the series, Scrappy only met his Uncle Scooby as a puppy. However, the December 1980 episode of "Scooby-Doo and Scrappy-Doo" ("Scrappy's Birthday") depicts Scrappy-Doo's birth with both Scooby and Shaggy in attendance. Born at St. Bernard's Hospital to Scooby-Doo's sister Ruby-Doo on December 20,
Scooby-Doo in 1973. Pat Stevens took over her role as the voice of Velma. For the 1977–78 season, "The Scooby-Doo/Dynomutt Show" became the two-hour programming block "Scooby's All-Star Laff-A-Lympics" (1977–78) with the addition of "Laff-a-Lympics" and "Captain Caveman and the Teen Angels". In addition to eight new episodes of "Scooby-Doo" and reruns of the 1969 show, Scooby-Doo also appeared during the "All-Star" block's "Laff-a-Lympics" series, which featured 45 Hanna-Barbera characters competing in "Battle of the Network Stars"-esque parodies of Olympic sporting events. Scooby was seen as the team captain of the "Laff-a-Lympics" "Scooby Doobies" team, which also featured Shaggy and Scooby-Dum