Bill Murray was Dave's first and last guest

Dave's friend Bill was his first-ever guest on Late Night with David Letterman — which ran on NBC from 1982 until 1993 — on Feb. 1, 1982. He then served as the star's Late Show debut guest on CBS on Aug. 30, 1993, and provided the show's final interview on May 19, 2015. Over the years, Bill appeared with Dave 44 times!

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