Scooby-Doo and Scrappy-Doo (1979 TV series) threatening cancellation for the show, whose ratings were in decline. ABC was going to choose between two shows-Scooby-Doo or an unnamed pilot from Ruby Spears Enterprises. Therefore, for its 1979–1980 season, "Scooby-Doo" was given a major overhaul, adding the character of Scooby's nephew Scrappy-Doo, voiced by Lennie Weinrib, and changing the name of the show to "Scooby-Doo and Scrappy-Doo". Although still present in these episodes, the characters of Fred, Daphne, and Velma became less essential to the plot and Shaggy, Scooby and Scrappy were the main focus. Marla Frumkin took over Pat Stevens' role as Velma Dinkley towards the end
Scooby-Doo its reruns were removed from the ABC lineup the following March, no new "Scooby" series aired on the network for the next two years. Hanna-Barbera reincarnated the original "Scooby-Doo, Where Are You!" cast as elementary school students (a common trope in 1980s children's TV) for a new series titled "A Pup Named Scooby-Doo", which debuted on ABC in 1988. "A Pup Named Scooby-Doo" was an irreverent re-imagining of the series, heavily inspired by the classic cartoons of Tex Avery and Bob Clampett, and eschewed the realistic aesthetic of the original "Scooby" series for a more "Looney Tunes"-like style, including an