Stephen Colbert is closing out The Late Show with a star-studded final week of guests including Barack Obama, Tom Hanks, David Letterman, and his fellow late-night hosts, ahead of the May 21 CBS finale.

Stephen Colbert revealed that the end of “The Late Show” came without warning and left him surprised. In a new The Stephen Colbert Reveals Final Demand He Made After Learning About His Cancellation:

Stephen Colbert devoted one of his final episodes on CBS to an interview with Barack Obama, touring his soon-to-open Presidential Center in Chicago.