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 Welker as the voice of Scooby-Doo. A second live-action TV movie, "Scooby-Doo! Curse of the Lake Monster", retained the same cast and aired on October 16, 2010 and a direct-to-video spin-off "Daphne & Velma" in 2018. The three films serve as prequels taking place before the events of the 2002 film. A feature-length live-action film version of "Scooby-Doo" was released by Warner Bros. Pictures on June 14, 2002. Directed by Raja Gosnell, the film starred Freddie Prinze Jr. as Fred, Sarah Michelle Gellar as Daphne, Matthew Lillard as Shaggy, and Linda Cardellini as Velma. Scooby-Doo, voiced by Neil Fanning, was