"Is this the 23rd hour of The Today Show?,” Letterman asked as he wandered onto the stage to greet Jimmy Fallon.

It was a throwback evening on NBC since Paul Shaffer and longtime members of his backing band filled in for the Roots as they ...

David Letterman made a surprise cameo on The Tonight Show Starring Jimmy Fallon on Feb. 10, interrupting Fallon's monologue ...

Feb. 11 (UPI) -- David Letterman joined Jimmy Fallon during his monologue on The Tonight Show Monday. "Is this the 23rd hour of the Today show?" asked the former Late Show host, feigning confusion, ...

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

David Letterman crashed The Tonight Show on Monday night to reunite with Paul Shaffer and poke fun at Jimmy Fallon.

Philadelphia Eagles running back Saquon Barkley, Super Bowl MVP Jalen Hurts to be guest on the Tonight Show with Jimmy Fallon ...

While many may think it could be because Swift can offer Fallon free passes, the true reason is actually quite reasonable.

Pete Davidson opened up about removing his 200 tattoos, saying that he plans to keep only "two or three" of them. On 'Today,' ...

The rapper, 30, joined Jimmy Fallon to go undercover and perform ... the full sketch aired on "The Tonight Show." Need a break? Play the USA TODAY Daily Crossword Puzzle. Bad Bunny is currently ...

Savannah Guthrie, seen with Craig Melvin on "The Tonight Show Starring Jimmy Fallon" Wednesday night, revealed she tossed Hoda Kotb's belongings into the trash after her last day on the "Today" show.

Jimmy Fallon's Broadway debut was extra meaningful for the Tonight Show host. After taking his ... At the time, Fallon told PEOPLE, "Today, I lost my biggest fan." Nina Westervelt/Variety via ...