It's Always Sunny in Philadelphia: Season 7, Episode 13
7 - 13: The High School Reunion Part 2: The Gang's Revenge
In the Season 7 finale, the gang come up with a new plan to buff their tarnished high-school reputations at their high-school reunion.
In the Season 7 finale, the gang come up with a new plan to buff their tarnished high-school reputations at their high-school reunion.