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 Monster of Mexico end, everybody enjoys the Day of the Dead festivities. "Scooby-Doo! and the Loch Ness Monster" was released on June 22, 2004. Scooby-Doo! and the Monster of Mexico Scooby-Doo! and the Monster of Mexico is a 2003 direct-to-video animated comedy mystery film; the sixth in a series of direct-to-video films based upon the "Scooby-Doo" Saturday morning cartoons. It was released on September 30, 2003, and it was produced by Warner Bros. Animation. It is one of two Scooby-Doo movies released in 2003 (the other being Scooby-Doo and the Legend of the Vampire) that briefly brought back the original voice cast from