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 (film) two telefilm prequels: "Scooby-Doo! The Mystery Begins" and "Scooby-Doo! Curse of the Lake Monster", which both aired on Cartoon Network in 2009 and 2010 respectively. A spin-off film "Daphne & Velma" was released on May 22, 2018, and a reboot will be released on May 15, 2020. Scooby-Doo (film) Scooby-Doo (also known as Scooby-Doo: The Movie) is a 2002 American live-action/computer-animated family adventure film based on the long-running Hanna-Barbera animated television series of the same name. It is the first installment in the "Scooby-Doo" live-action film series, directed by Raja Gosnell, written by James Gunn, and starring Freddie Prinze Jr.,