Charlie cheers on Frank at a local chess tournament against a Russian grandmaster. Dennis helps Mac and Dee find boyfriends after getting irritated by Mac’s current boyfriend, Johnny.
"Frank vs. Russia" is the fourth episode of the sixteenth season of the American sitcom television series It's Always Sunny in Philadelphia. It is the 166th overall episode of the series and was written by executive producer Megan Ganz and directed by co-executive producer Heath Cullens. It originally aired on FXX on June 21, 2023.