On Feb. 10, David Letterman stopped by “The Tonight Show Starring Jimmy Fallon” while his former bandleader, Paul Shaffer, ...

TV legend David Letterman returned to his former stomping grounds at 30 Rockefeller Plaza Monday for a surprise appearance on ...

It was a night of surprise returns on late-night Monday (February 10), as not only did John Oliver make a surprise appearance ...

David Letterman made a surprise appearance on The Tonight Show, crashing Jimmy Fallon's monologue to tell a few jokes and ...

Look for Ask Matt columns on most Tuesdays. I’m sure you and your readers can identify many other “one-season wonders” that ...