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 "Scooby" theatrical and direct-to-video features. From 1990 to 2002, Shaggy and Scooby-Doo appeared as characters in the "Funtastic World of Hanna-Barbera" simulator ride at Universal Studios Florida. The ride was replaced in the early 2000s with a "Jimmy Neutron" attraction, and "The Funtastic World of Hanna-Barbera" instead became an attraction at several properties operated by Paramount Parks. Shaggy and Scooby-Doo are currently costumed characters at Universal Studios Florida, and can be seen driving the Mystery Machine around the park. In 2001, "Scooby-Doo in Stagefright", a live stage play based upon the series, began touring across the world. A follow-up, "Scooby-Doo