Jimmy Fallon left the cast of Saturday Night Live back in 2004, and he's made only a few cameo appearances since then. Tonight, he's back! Might he sing?

Hopefully they bring back some of the good old sketches, like the Barry Gibb talk show and that college dorm room sketch where Fallon ponders the world. Perhaps he'll add a Weekend Update.

Fallon says he loves SNL in December, with all of the tourists in New York City and the Christmas atmosphere. Michael Buble is the musical guest, so you know there will be some caroling.

Have a great weekend!

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