The “Late Show” hosts reprised a classic bit before a F-bomb ending.

The TV hosts’ decision shows support for Colbert ahead of his last episode on May 21.

Colbert’s “pissed off” predecessor returned to the Ed Sullivan Theater to mock CBS/Paramount for giving him the ax and toss furniture off the roof.

Late-night television is currently in the ICU of the TV world, and it’s doubtful whether it’ll make it out alive.

David Letterman returned to the \