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Zach Galifianakis on 'SNL': Game For 'Game of Thrones'

Zach Galifianakis hosted "Saturday Night Live" and got a little help from his "Hangover" friends Bradley Cooper and Ed Helms, who made surprise appearances in a Jennifer Anniston look-alike skit. And "Mad Men" John Hamm popped in, too. But what might have been the best moments cameo when "Game of Thrones" star Nikolaj Coster-Waldau stopped by for the "Game of Game of Thrones" game show skit. In this one, Galifianakis plays hard-core "Thrones" fan Duncan – dressed as a dragon, of course.

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