Stephen Colbert will guest star in an upcoming episode of the crime comedy series "Elsbeth," appearing as a late-night frontman.

As Stephen Colbert prepares to bid farewell to 'The Late Show,' he's already booked a gig on the CBS drama 'Elsbeth,' where he'll play a late-night host.

Stephen Colbert is making the leap to a different kind of late-night show, as sources confirm that the host and comedian will appear as a guest star in the upcoming third season of Elsbeth.