John Oliver’s not the only talk show host who can drop in on another show unexpectedly. Last night, the great David Letterman ...

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

After singing the updated version of "Asshole," Leary and Fallon sat down to discuss the song. "I don't know if people are ...

Jimmy Fallon joked that Donald Trump is starting beef with American allies because he doesn’t seem to view them as such.

Popular shows such as 'Wicked' and 'Gypsy' are leading the industry grosses, as a new report shows the industry's continuing ...

On the “Tonight Show Starring Jimmy Fallon,” the host poked fun at the Chiefs on Monday night. This came in the form of a ...

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

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, ...

Around the 3:47 mark of Jimmy Fallon's monologue on Monday's The Tonight Show, David Letterman came out of retirement to crash the party. "Is this the 23rd hour of the Today Show?" he quipped, before ...

Watch a very embarrassed Rob Lowe accidentally refer to Jimmy Kimmel as Jimmy Fallon while visiting 'Jimmy Kimmel Live': 'I ...

Jimmy Fallon's Broadway debut was extra meaningful for 'the Tonight Show' host. After taking his first bow in All In: Comedy ...

Four days a week, Jimmy Fallon performs for a TV audience of millions of people as the host of NBC’s “The Tonight Show.” But ...