Stephen Colbert's 'Late Show' has led Jimmy Fallon and Jimmy Kimmel in viewers for nine years, and he recently hit a season high welcoming the other late night hosts.

From celebrity guests to the last episode, here’s what’s ahead as CBS’ long-running “The Late Show” comes to an end.

As Stephen Colbert signs off May 21, his exit closes a 33-year CBS franchise—and marks the end of one late-night era built on ritual, the desk and the band

Stephen Colbert’s long run on “The Late Show” ends as he appears behind his CBS desk for the final time