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! WrestleMania Mystery speculation as to his appearance in the film. In the UK, the film was released on August 8, 2016. "Scooby-Doo! Frankencreepy" was released on August 19, 2014. Scooby-Doo! WrestleMania Mystery Scooby-Doo! WrestleMania Mystery is a 2014 direct-to-DVD animated comedy mystery film, and the twenty-second film in the direct-to-video series of Scooby-Doo films. It is a co-production between Warner Bros. Animation and WWE Studios. The film features Scooby and the gang solving a mystery at WrestleMania. It was released on March 24, 2014 in the United Kingdom and on March 25, 2014 in the United States by Warner Home Video. Scooby-Doo