The Best of "Jungle" Jack Hanna | Letterman

Dave takes a look back at all the memorable moments from Jack's appearances.

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Welcome to the Letterman YouTube Channel, home to all your favorite clips from Late Night and Late Show - as well as conversations with the writers, producers and performers who helped make it all happen. These highlights have been artisanly-produced, carefully-curated, and chosen completely at random by an old computer that used to pick numbers for the New York Lotto back in the 90’s.

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