Scooby-Doo the series and the billing, in an attempt to boost "Scooby-Doo"s slipping ratings. The 1979–80 episodes, aired under the new title "Scooby-Doo and Scrappy-Doo" as an independent half-hour show, succeeded in regenerating interest in the show. Lennie Weinrib voiced Scrappy in the 1979–80 episodes, with Don Messick assuming the role thereafter. Marla Frumkin replaced Pat Stevens as the voice of Velma mid-season. As a result of "Scooby-Doo and Scrappy-Doo's" success, the entire show was overhauled in 1980 to focus more upon Scrappy-Doo. At this time, Scooby-Doo started to walk and run anthropomorphically on two feet more often, rather than on
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