Mark Harmon Met George Carlin On Johnny Carson's "Tonight Show"

The star of "NCIS" sits down for his first interview with Stephen Colbert and recalls a memorable experience meeting his comedy hero on the set of Johnny Carson's late night show. #Colbert #NCIS #MarkHarmon

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The Late Show with Stephen Colbert is the premier late night talk show on CBS, airing at 11:35pm EST, streaming online via CBS All Access, and delivered to the International Space Station on a USB drive taped to a weather balloon. Every night, viewers can expect: Comedy, humor, funny moments, witty interviews, celebrities, famous people, movie stars, bits, humorous celebrities doing bits, funny celebs, big group photos of every star from Hollywood, even the reclusive ones, plus also jokes.