jimmy fallon

Mariah's "All I Want For Christmas Is You," is THE Christmas song, so naturally Jimmy and the Roots had to get involved to wish everyone a happy holidays!

90's kids everywhere are jumping with joy that our favorite fictional fast food restaurant made a TV return last night.

Jimmy Fallon and his guest Tom Cruise had an epic lip sync battle on The Tonight Show With Jimmy Fallonrecently that ended with a sweet serenade to a very happy fan. Watch the video to see for yourself... With additional reporting by Madelyn Pellegrino

Each week Jimmy Fallon starts a Tonight Show hashtag on Twitter and last week's proved that some of the funniest things you can hear are actually overheard.

What happens when you throw Dwayne "The Rock" Johnson into a singing competition? Pure television gold.

Jimmy Fallon brought together a nearly complete cast from "Saved by the Bell" for an amazing sketch that was featured on NBC’s “The Tonight Show” on Wednesday, February 4.

It was inevitable. After less than a year on the air, the Jimmy Fallon-starring 'The Tonight Show' has finally found something to supercut: its own weirdly engaging 'Ew!' talk show. Fallon's take on a teen girl talk show (like all teen girl talk shows, it takes place in a basement and doesn't appear to be broadcast to anyone) explores everything that is particularly gross -- er, "ew" -- to the teens these days. What's gross? Everything. Ew!

Jimmy Fallon loves to get his musically inclined guests and his house band The Roots to perform songs on classroom instruments. And for the holidays, he had One Direction swing by for a holiday classic!

Tonight Show host Jimmy Fallon and his wife Nancy welcomed a baby girl on Wednesday morning, and let me tell you, they chose an awesome name for her!

Still can't get over the Harry Potter craze? Check out actor Daniel Radcliffe rapping Blackalicious' "Alphabet Aerobics."