By Tanner Stransky
December 22, 2009 at 03:28 PM EST

Last night, Jimmy Fallon fulfilled a Christmas wish for a lot of fans of his previous work on SNL: He reunited with Horatio Sanz and performed the famed holiday ditty “I Wish It Was Christmas Today.” And: the Strokes’ lead singer Julian Casablancas joined them! Until I saw the performance last night and did a little Googling this morning, I hadn’t realized that Casablancas actually covered the song himself this year. So his addition to the set made perfect sense. See Fallon, Sanz, and Casablancas’ performance on Late Night with Jimmy Fallon here:

Seeing this got me thinking of the original, natch. Remember it? The sight of Fallon, Sanz, Chris Kattan, and Tracy Morgan singing it at Studio 8H is forever burned into my brain: Kattan rattled his head around like crazy, Morgan played up his dead-eyed stare, Fallon cracked up throughout. And Sanz’s bad, bad voice—oh my! Oh hell, enjoy the original, too:

Loves it. But do you? Did you enjoy the new rendition with Casablancas included? How are you feeling about Fallon’s all-too-apparent obsession with dredging up things from the past?

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