The Scooby & Scrappy-Doo/Puppy Hour animated and edited by Ruby-Spears. "Scooby-Doo & Scrappy-Doo:" Scooby-Doo, Scrappy-Doo and Shaggy Rogers travel across the country as the "Fearless Detective Agency" and get involved in typical spy or criminal cases.<br>"Scrappy & Yabba-Doo:" Scrappy-Doo's adventures with his uncle Yabba-Doo and Deputy Dusty in the wild west. The adventures of Petey the Puppy and his friends – Dolly, Dash, Duke and Lucky – as they travel around the world together searching for his young owner Tommy and his family. The Scooby & Scrappy-Doo/Puppy Hour The Scooby & Scrappy-Doo/Puppy Hour is a 60-minute Saturday morning animated package show co-produced by Hanna-Barbera Productions
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)