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 (video game) Scooby-Doo (video game) Scooby-Doo (also known as Scooby-Doo in the Castle Mystery) is a video game based on the television character of the same name. The game was developed in by Gargoyle Games for the ZX Spectrum, Amstrad CPC, Commodore 64, and Commodore Plus/4. A much-hyped game, Elite first started advertising this from around Autumn 1985. The advert billed the game as "the first ever computer cartoon". Issue 21 of Crash carried a full preview of the game. The game was to feature all the characters from the cartoon and was set in a Scottish castle owned by Shaggy's auntie.