: The episode is part one of a two-part finale, concluding with a disastrous, highly-choreographed dance routine in Part 2 intended to impress their former classmates. Episode Details Information Series It's Always Sunny in Philadelphia Season/Episode Season 7, Episode 12 Original Air Date December 8, 2011 Guest Stars Sasha Roiz as Adriano Calvanese
: Dennis, Mac, and Charlie are shocked to find they were never "cool" and were actually known as the "dirtgrub," "the freight train," and "the kid who huffed glue". [S7E12] The High School Reunion
: Dee attempts to get revenge on the "cool girls" who bullied her for her back brace (earning her the nickname "Aluminum Monster"), but she is quickly seduced back into trying to be one of them. : The episode is part one of a
: The gang's former classmate, Matthew "Rickety Cricket" Mara, appears as a disgraced former priest who uses the event to pickpocket the attendees while offering "blessings". : The gang's former classmate, Matthew "Rickety Cricket"