Jon Stewart appeared on 'The Late Show' to celebrate host Stephen Colbert.

The "Last Week Tonight" host ended his show with a message to his outgoing "Late Show" rival.

From riffing with Jon Stewart to discussing grief with Vice President Biden to cracking up with Tiffany Haddish, Stephen Colbert always entertained.

Andra Day made a cameo on the CBS program to perform her hit song "Rise Up."

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