JT and Jimmy Cover Hootie & the Blowfish

NBC "Late Night with Jimmy Fallon"

On Tuesday night's Late Night, Jimmy Fallon and his buddy Justin Timberlake went back to summer camp to perform a '90s hit song.

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Retainers and flashlights on hand, JT and Jimmy ignore their bedtime and decide to sing Hootie & the Blowfish's 1995 track Only Wanna Be With You. Before attempting to go to sleep, Timberlake asks his pal, "Hey, Jimmy, best friends forever?" Jimmy reacts, "Yeah."

The singer is appearing on Late Night every Tuesday until the release of The 20/20 Experience: 2 of 2 on Sept. 30.

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In case you forgot what the original Hootie song sounds like, check out the video, below: