Scrappy-Doo skunk) and states his nephew Scrappy Brian didn't even make it through the night. It then cuts to a scene depicting a puppy resembling Brian, who inquires about a noise in the bushes, Brian would rather ignore it, but Scrappy Brian shouts Scrappy-Doo's catchphrase, "Let me at 'em", and charges, and is eaten by a velociraptor. Brian notes he told his sister, "This wasn't a good weekend". On the soundtrack album, "", Jason Alexander reports that Scrappy is the product of a drunken encounter between Scooby-Doo and Daphne. Scrappy appears in "" as a respected part of the large family
Scooby-Doo the Night" on a flight to one of the development meetings, and decided to rename the dog "Scooby-Doo" and re-rechristen the show "Scooby-Doo, Where Are You!" The revised show was re-presented to CBS executives, who approved it for production. The first episode of "Scooby-Doo, Where Are You!" "What a Night for a Knight" debuted on the CBS network Saturday, September 13, 1969. The original voice cast featured veteran voice actor Don Messick as Scooby-Doo, radio DJ Casey Kasem (later host of radio's syndicated "American Top 40") as Shaggy, actor Frank Welker (later a veteran voice actor in his own right)