Scooby's All Star Laff-A-Lympics S1, E9

The various Hanna Barbera characters compete in their own version of the Olympic Games.

Cast:Marilyn Schreffler , Casey Kasem , Don Messick , Heather North , Alan Reed , Daws Butler , Arlene Golonka , Scatman Crothers , Alan Oppenheimer , Gary Owens , Mel Blanc , Frank Welker , Vernee Watson , John Stephenson , Joe Besser , Julie Bennett , Bob Holt , Julie McWhirter