Stephen Colbert busted out his impression of former President Joe Biden for likely the last time, as "The Late Show" is set to conclude its run next week.

Stephen Colbert hosted his fellow late-night frontmen Jimmy Fallon, Jimmy Kimmel, Seth Meyers and John Oliver on Monday's episode of "The Late Show." The meeting of the minds was a send-off for Colbert as he enters his final days as the face of "The Late Show,

Stephen Colbert and "The Late Show" are officially ending on May 21. What's next for the late-night talk genre on CBS? What about everywhere else?