Matt Damon: 'SNL' Digital Short with Katy Perry!

Matt Damon, Katy Perry, and Andy Samberg are BFFs in this new Saturday Night Live digital short called “Best Friends”.

Midway through the short, the trio runs into Val Kilmer, whose character enjoys huffing gas fumes and runs a science lab with a time machine.

PHOTOS: Check out the latest pics of Matt Damon

Things go downhill at the end when the gang decides to play a game of Russian Roulette – yikes!

Pictured inside is Matt leaving his hotel in NYC on Friday (December 9).