Conan O'Brien is off to L.A. to take over Jay Leno's kingdom. How will the red-headed giant fare? John Mayer takes a guess through a touching song about how L.A. turned him into a douchebag. Hey, at least he's honest.

Colbert stole Conan's trademark invisible string dance, and now they appear together to find out who's really the king of the invisible string.

Tina Fey may do a great Sarah Palin imitation, but its not a form of flattery in this example. So when Bristol Palin offered to take care of Fey's baby backstage at SNL, it made for an awkward moment... and probably what Fey...

With all the indie airplay they get, it's hard to believe Bon Iver's performance of Flume on Late Night with Conan O'Brien was their American television debut. One of their slower songs, its tough to say if this was the right...

The spirit of rock is definitely alive in caped wonderman Tim Harrington. It's not every day you get to see a performance as spirited and delightfully hilarious as this.

A bearded Conan O'Brien introduced Ingrid Michaelson, who performed her smash pop hit "The Way I Am." With her star meter rising due to soundtrack and television appearances, the New York-based artist put on a classy...

Conan O'Brien doesn't just do scripted stuff; he can improvise through a false fire alarm during a live taping of his "Late Night" show with the best of them. Ironically, they had just finished a sketch about studio...