Frank Oz has been bringing some of our favorite characters to life for more than 50 years from Miss Piggy and Fozzie Bear of "The Muppets" to "Sesame Street's" Grover and Cookie Monster. Starting out as a puppeteer with Jim Henson in the 1960s, Oz was a driving force in the long-lasting success of "The Muppets." In his documentary "Muppet Guys Talking", Oz recruits four of his closest colleagues to discuss what made their work so special.

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