SNL celebrates 40 years on air with anniversary special

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It was quite the night for Saturday Night Live. The comedy sketch show celebrated 40 years in air with a three-and-a-half hour long show full of celebrity appearances and SNL highlights.

The show started with a song tribute performed by Jimmy Fallon and Justin Timberlake.

Some of the show's shining moments, include the reprisal of Celebrity Jeopardy and "Wayne's World," as well as a sketch featuring Betty White and Bradley Cooper locking lips.