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 Witch's Ghost Billy Ray Cyrus performing "Scooby-Doo, Where Are You!". "Scooby-Doo and the Alien Invaders" was released on October 3, 2000. Scooby-Doo! and the Witch's Ghost Scooby-Doo and the Witch's Ghost is a 1999 direct-to-video animated supernatural horror-comedy film, and the second of the direct-to-video films based upon Hanna-Barbera's "Scooby-Doo" Saturday morning cartoons. It was released on October 5, 1999, and it was produced by Warner Bros. Animation (although it contained a "Hanna-Barbera Cartoons, Inc." copyright and logo). The Mystery Inc. gang (Scooby-Doo, Shaggy, Fred, Daphne and Velma) travel to a New England town called Oakhaven after being invited by horror writer