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-Doo", using that show's voice cast. Entries from 2010 on use the original 1969 designs and feature Matthew Lillard as the voice of Shaggy, the character Lillard portrayed in the live-action theatrical "Scooby-Doo" films. Two Scooby-Doo! movies were released in 2016, named "Lego Scooby-Doo! Haunted Hollywood" and "". In addition, a live-action TV movie, "Scooby-Doo! The Mystery Begins", was released on DVD and simultaneously aired on Cartoon Network on September 13, 2009, the 40th anniversary of the series' debut. The film starred Nick Palatas as Shaggy, Robbie Amell as Fred, Kate Melton as Daphne, Hayley Kiyoko as Velma, and Frank