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
The Scooby-Doo Show in their initial run, and none of the 1978 episodes were presented under the "Where are You!" title for twenty-eight years following their broadcast debuts (the cartoons on the DVD set still feature the syndicated "Scooby-Doo Show" opening and closing credits). All forty "Scooby-Doo Show" episodes are available for purchase and download from the iTunes Store, as either individual episodes or a season set. The 1976 and 1977 episodes are grouped under "The Scooby-Doo Show", while the 1978 episodes are listed under "Scooby-Doo, Where are You!" The Scooby-Doo Show The Scooby-Doo Show is an American animated mystery comedy series. The