Scooby's All Star Laff-A-Lympics (1977)

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

Director:

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