Amy Poehler Cosmo Cover

Jimmy digs up a cover of "Cosmopolitan" from 1934 with a very familiar looking woman on the front, and the two talk about Amy's show, "Parks and Recreation."

Late Night with Jimmy Fallon.

Jimmy Fallon, Mariah Carey, & The Roots

Backstage before the show, Jimmy, Mariah Carey, and The Roots grabbed some instruments you'd find in an elementary school classroom and stopped by the Late Night "Music Room" to sing Mariah's holiday classic, "All I Want For Christmas Is You."

The Jog Strap has a Perfectly Sized Frontal Pouch for your Bottled Water

It's a slip on strap that slides right over your ordinary jogging shorts. And with that perfectly sized frontal pouch you can cary any brand of bottled water or sports drink.

Jog Strap. Jogging it up on a sunny day.
Jog Strap. Great way to carry water when you're jogging.
Jog Strap. It even has a special coin pouch to carry your money.
Jog Strap. Pick up a Jog Strap at your local jogging supply store.

This season's hottest gift idea.

From The Tonight Show Starring Jimmy Fallon

I'm On A Boat Live ft. The Roots

The Dudes performed with The Roots on Late Night with Jimmy Fallon!

Originally aired May 12, 2009.

The Lonely Island are Andy Samberg, Akiva Schaffer & Jorma Taccone.

Jimmy Fallon's Got Talent: Speed Round Impressions

Jimmy Fallon impersonate Jerry Seinfeld, Adam Sandler, Chris Rock, Robin Williams, Gilbert Gottfried, Jeff Foxworthy, Steven Wright, Larry the Cable Guy, Norm MacDonald, Pee Wee Herman, Bill Cosby, and others on America's Got Talent.