Paul McCartney Returns To Ed Sullivan Theater For Stephen Colbert's Final 'Late Show': Watch (opens in new tab)

Stephen Colbert's Late Show is over now. Last year, under deeply suspicious circumstances, CBS . Colbert got a few extra months to build up to a grand finale. Earlier this month, the show featured guests like and . The show's final episode aired on Thursday night, and Colbert didn't announce its final guest ahead of time. A bunch of celebrities showed up for cameos, but the real final guest was Paul McCartney, who first played the Ed Sullivan Theater with his old band the Beatles 62 years ago...