Late Night Highlights: Justin Timberlake, Jimmy Fallon and The Roots Teach You the History of Hip Hop

Jimmy Fallon may not fit the classic late night host model in that he cracks up during interviews, laughs at his own monologue jokes and stages wet t-shirt competitions with stars, but the man can put together one hell of a musical number. Look no further than his impressive hip hop medley with Justin Timberlake and The Roots and ask yourself, "Who else in late night could have pulled that off?"

5. The Sarah Palin Boo-Gate

Jon Stewart examined the Sarah Palin Dancing with the Stars boo-troversy on last night's Daily Show.

The Daily Show With Jon Stewart	Mon - Thurs 11p / 10c
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The Colbert Report	Mon - Thurs 11:30pm / 10:30c
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1. The History of Hip Hop

Watch Jimmy Fallon, Justin Timberlake and The Roots throw down for a five-minute hip hop medley, in which they honored everyone from the Sugarhill Gang to 2Pac to Jay-Z.