The last episode of "The Late Show" airs May 21, on CBS.

“Have to admit, I’ve been through so much bullshit this year, it actually made me appreciate this bullshit,” the Upfronts vet told Disney brass, stars and assembled ad buyers

On Monday night, Colbert hosted fellow late-night hosts Fallon, Kimmel, Seth Meyers and John Oliver (aka the self-named Strike Force Five), who paid tribute to Colbert’s show, in a reunion that featur...