Scooby’s All-Star Laff-a-Lympics/Scooby’s All-Stars (1977-78)
Casey Kasem’s Widow Reveals ‘Scooby-Doo’ Behind-the-Scenes Secrets (Exclusive)
Why did Casey step away from the role of Shaggy for several years?
Which Team Won the Most in Hanna-Barbera’s ‘Laff-a-Lympics’?
The 1977-78 Saturday morning cartoon featured three teams of Hanna-Barbera characters — the Scooby Doobies, the Yogi Yahooeys and the Really Rottens — vying in hilarious sporting competitions.