Fred Flintstone
The show was a celebrity roast honoring Fred Flintstone on his 48th birthday, and included the following costumed Hanna-Barbera characters: Yogi Bear, Jabberjaw, Huckleberry Hound, Scooby-Doo, The Banana Splits, Hong Kong Phooey, Quick Draw McGraw, Snagglepuss, Wally Gator and The Hair Bear Bunch.