It's Always Sunny in Philadelphia Season 16 Episode 7

The Gang Goes Bowling

The guys crash Dee's bowling league night and compete in a Battle of the Sexes at a bowling alley owned by the McPoyles. Dee, The Waitress, Artemis, and Gail the Snail versus Dennis, Mac, Charlie, and Frank in a classic match to prove once and for all who has the upper hand in sports.