A Yabba-Dabba-Doo Celebration!: 50 Years of Hanna-Barbera (1989)

A 1989 live-action/animated television special hosted by Tony Danza and Annie Potts celebrating 50 years of William Hanna and Joseph Barbera's partnership in animation. It covers their years working for the MGM cartoon studio and then the history of Hanna-Barbera Productions which was set up in 1957. It was dedicated to the memory of Daws Butler, Mel Blanc, and George O'Hanlon.