Jimmy Fallon And Justin Timberlake's History Of "SNL" Rap Was Perfect

And Debbie Downer interrupted them, which made it even better.

Even before Steven Martin's star-studded monologue during SNL's 40th anniversary special, Jimmy Fallon and Justin Timberlake teamed up to pay tribute to the sketch comedy show as they do best...

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With a "History of SNL" rap, remixing some of the show's most legendary quotes. Like this one of Billy Crystal's...

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NBC

And this one of Alec Baldwin's...

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And this one of, well, Justin Timberlake's.

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As if that wasn't enough, Rachel Dratch revived her legendary Debbie Downer character to bring it all back to reality.

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NBC

Watch the full rap here:

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