The Scooby-Doo Show You!" name and the final seven as segments of "Scooby's All-Stars". Despite the yearly changes in the way they were broadcast, the 1976–1978 stretch of "Scooby" episodes represents, at three seasons, the longest-running format of the original show before the addition of Scrappy-Doo. The episodes from all three seasons have been rerun under the title "The Scooby-Doo Show" since 1980; these "Scooby" episodes did not originally air under this title. The credits on these syndicated versions all feature a 1976 copyright date, even though some were originally produced in 1977 and 1978. Outside the United States, reruns aired on CBBC
Scooby-Doo (character) series and movies. Scooby has a speech impediment and tends to pronounce most words as if they begin with an "R"; however, most characters are able to understand him almost perfectly. In most iterations, he keeps his sentences relatively short, usually using charades for anything longer than three or four words. His catchphrase, usually howled at the end of every production, is "Scooby-Dooby-Doo!" or "Rooby-Rooby-Roo". Scooby was voiced by Don Messick through "Arabian Nights" in 1994, after which point Messick quit smoking; quitting smoking changed his voice and prevented him from achieving the same raspy vocal effect (despite Messick's efforts,