Hanna-Barbera's 50th: A Yabba Dabba Doo Celebration (also known as A Yabba Dabba Doo Celebration: 50 Years of Hanna-Barbera) is a 1989 American live-action/animated television special
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Hanna-Barbera's 50th: A Yabba Dabba Doo Celebration (also known as A Yabba Dabba Doo Celebration: 50 Years of Hanna-Barbera) is a 1989 American live-action/animated television special written, directed and produced by Marshall Flaum, which premiered on TNT on July 17, 1989.[1] It is hosted by Tony Danza, along with Annie Potts; it also stars Whoopi Goldberg, Betty White, Sammy Davis Jr., Tommy Lasorda, Jonathan Winters, Phyllis Diller, Valerie Harper, Shari Belafonte, Joe Ferguson and Tiffany.