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 and the Cyber Chase Chase" was released October 9, 2001 for both VHS and DVD formats. The film was re-released on Blu-ray on March 29, 2011. This was the first animated Scooby-Doo film to be produced in the high-definition format. "Scooby-Doo! and the Legend of the Vampire" was released on March 4, 2003. Scooby-Doo and the Cyber Chase Scooby-Doo and the Cyber Chase is a 2001 direct-to-video animated comic science fiction mystery film, and the fourth in a series of direct-to-video animated films based on Hanna-Barbera's "Scooby-Doo" Saturday morning cartoons. It was released on October 9, 2001. It features the Mystery, Inc. gang, which