Taylor Swift appears here on The Tonight Show with Jimmy Fallon. Check out their Jumbotron-based dance routine now!
Jimmy Fallon and Billy Joel put on a great duet in this video. Watch the Tonight Show host and music icon go!
Jimmy asked 20 puppies and kittens to kiss for the first time in this "First Kiss" parody.
Jimmy Fallon and Jon Hamm photobomb people in NYC. It's great.
A clip of Lindsay Lohan on The Tonight Show with Jimmy Fallon on March 6, 2014. Watch the two of them have a water fight!
Jimmy Fallon and Paul Rudd compete in a lip-sync off. And it's pretty epic.
Michelle Obama is quite the good sport. Watch her star in a Tonight Show sketch here with Jimmy Fallon and Will Ferrell.
Jimmy Fallon is officially the host of The Tonight Show. Relive his opening episode here.
Jimmy Fallon jumps on the anti-Justin Bieber bandwagon in this monologue. Watch him crack some jokes at the artist's expense.
This is awesome! Watch Kevin Bacon recreate his iconic "Footloose" dance on The Tonight Show.
This is an amazing video of a Samuel L. Jackson poem dedicated to the his sitcom Boy Meets World. It is from The Tonight Show.
Sarah Palin shows off her comedic skills on The Tonight Show with Jimmy Fallon. Check out this skit in which she calls "Putin."
Yankee fans boo Robinson Cano in this Jimmy Fallon video. Until they actually meet Robinson Cano, that is.
We adore Emma Stone. Watch her battle Jimmy Fallon in this video, lip-sync style!
Diane Keaton takes on Jimmy Fallon in Beer Phong in this Tonight Show segment. Watch now!
Jimmy Fallon and Cameron Diaz sneak in behind tourists at 30 Rock and photobomb their pictures in this hilarious video. Check it out now!
Andrew Garfield plays The Spider-Man theme song during this appearance on The Tonight Show. And he slays it!
Bryan Cranston plays Word Sneak here on The Tonight Show. But watch now as the star runs into a big problem.
Jimmy Fallon plays "Ew!" with Seth Rogen and Zac Efron in this great Tonight Show clip. Watch and laugh now!
It's Jennifer Lawrence versus Jimmy Fallon in a game of Box of Lies. Watch now to see who comes out on top.
It's the first-ever nip-sync duet! Watch this video of Jimmy Fallon and Terry Crews to find out what the heck that means.
Charlize Theron and Josh Hartnett play Tonight Show Charades in this clip. In this HOT clip, we should say!
Jimmy Fallon shares the pros and cons of attending Kim and Kanye's wedding. We're guessing the power couple didn't appreciate this segment.
Funniest game of Word Sneak ever! Watch Ricky Gervais and Jimmy Fallon play now.
Jimmy Fallon takes on Tom Cruise in this game of Face Breakers. Find out now who wins!
Jennifer Lopez battles Jimmy Fallon in this Tonight Show clip. Who is wearing tighter pants?!?
Who knew Honey Boo Boo could cheerlead? Check out her impressive moves now!
Who knew Chris Christie had this in him?!? Watch him depict The Evolution of Dad Dancing on The Tonight Show.
Jimmy Fallon and Kevin Hart ride a roller coaster in this clip from The Tonight Show. Watch them freak out now.
Jimmy Fallon proves in this video that parents know nothing about Harry Potter. It's sad but true.
Jimmy Fallon performs here as Neil Young. And he's joined in the background by Crosby, Stills and Nash!
Cameron Diaz and Jimmy Fallon take part in a kayak race on The Tonight Show set in this awesomely hilarious clip.
Jimmy Fallon takes on Miranda Kerr in a game of flip cup. Find out who wins!
Dwayne Johnson and Jimmy Fallon are here to pump you up. Check out this awesome Tonight Show sketch.
Morgan Freeman sucks down some Helium and then talks in this funny clip from The Tonight Show with Jimmy Fallon.
Jimmy Fallon looks up Heidi Klum's dress in this clip from The Tonight Show. We wish we had his job.