the tonight show with jimmy fallon

Paul Reubens, otherwise known as the lovably eccentric Pee-Wee Herman, guested on "The Tonight Show with Jimmy Fallon" Wednesday, where he announced that an new Pee-Wee movie is definitely in the works.

Jake Gyllenhaal guested on "The Tonight Show with Jimmy Fallon" Wednesday and participated in "Water War", a card game where the loser gets a faceful of water. The winner...does it really matter?

Jimmy Fallon brought back his tween-girl alter ego Sara and teamed up with the Black Eyed Peas' Will.i.am (as Mir.i.am) for a music video version of Fallon's popular running sketch "Ew!" Watch the video and get ready to laugh!

"Tonight Show" host Jimmy Fallon celebrated the big 4-0 on his show Friday with a little help from Seth Rogen and James Franco who gave Fallon a birthday surprise of their own when they popped out of a birthday cake shirtless. But the fun didn't end there; Rogen and Franco presented Fallon with his real gift: a performance from music legend Stevie Wonder...

On Tuesday's "Tonight Show with Jimmy Fallon" Jimmy listed the  pros and cons of dating a newly single Britney Spears, and got a little help from Ms. Spears herself. So, ask yourself: Do you think you have what it takes?

"The Tonight Show with Jimmy Fallon" had some fun with Maroon 5 lead singer and "Voice" judge Adam Levine as the two played "Wheel of Musical Impressions". Wait 'til you hear Adam's Michael Jackson impression!

Who knew NBC News anchor Brian Williams was an ass man? "The Tonight Show with Jimmy Fallon" debuted the latest Williams rap, "Baby Got Back", and you won't believe who makes a guest appearance!

Imagine a mythical land -- a small town, really -- where there's only room for just one inhabitant to sport some tight, tight pants. How would people challenge each other for tight-pants supremacy? Last night on 'The Tonight Show,' just such a showdown hit the screen, when host Jimmy Fallon deluded himself into thinking his tight pants could somehow prove to be better, badder and tighter than Jennifer Lopez's tight pants.

It all seems very simple, right? Take a random word and try to use is in a sentence. Jimmy Fallon and guest Ricky Gervais take that concept and turn it into the funniest three minutes you've seen in awhile! Even they can't keep it together while doing this segment...

Will Ferrell and Red Hot Chili Peppers drummer Chad Smith finally held their long awaited drum-off on "The Tonight Show with Jimmy Fallon". The winner? Everyone.

Jimmy Fallon and guest Terry Crews ("Brooklyn Nine-Nine") performed a shirtless duet of the Stevie Wonder/Paul McCartney hit "Ebony & Ivory" on Monday's "Tonight Show", that can't be unseen once you see it!

This is from Wednesday night's "Tonight Show with Jimmy Fallon" when former N'Sync member Lance Bass dropped by the show to do a quick number. Way too funny!