Stephen Colbert closed out "The Late Show" with a full-circle moment featuring Paul McCartney, who performed "Hello Goodbye" on the final episode and completed the night by turning off the lights at the Ed Sullivan Theater. The symbolic gesture carried weight given McCartney's history with the venue. The Beatles first performed there in 1964, launching Beatlemania in America. McCartney's presence on Colbert's last show underscored the deep cultural resonance of the late-night institution itself.

Colbert's nine-year tenure at "The Late Show" concludes after taking over the slot in 2015 from David Letterman. The Ed Sullivan Theater, where Letterman broadcast for 33 years, remains iconic in television history as the stage where countless artists launched their American careers. Having McCartney close the show represented both an ending and a callback to the venue's legacy as a launching pad for pop culture moments.

McCartney's "Hello Goodbye" choice carried its own layered meaning for a series finale. The 1967 track, with its playful acknowledgment of contradiction, fit the bittersweet tone of ending a long-running program. The Beatles' connection to the Ed Sullivan Theater made McCartney the ideal guest to honor the space's history while recognizing Colbert's contribution to late-night television.

Colbert transformed "The Late Show" into a platform for political commentary and character work that resonated with audiences seeking personality-driven late-night content. His interviews became appointment television, and his willingness to blend humor with substantive conversation set the tone for contemporary talk shows navigating political polarization.

The ceremonial light-out at the Ed Sullivan Theater bookended Colbert's run with historical weight. Late-night television has long served as cultural glue, offering audiences a nightly gathering place for comedy and