It's Always Sunny in Philadelphia - Season 17 - Eps 6: Overage Drinking: A National Concern
When Tammy and Trey, now in their 40s, show up to remove their teenage son from Paddy's, Dennis and Dee attempt to reconnect with their former prom dates. Frank's sudden disappearance sends Mac and Charlie on a mission to track down his whereabouts.
About It's Always Sunny in Philadelphia

Title: It's Always Sunny in Philadelphia
First Air Date: 2005-08-04
Last Air Date: 2025-08-13
Status: Returning Series
Rating: 8.284/10 (from 1196 votes)
Language: EN
Seasons: 18
Total Episodes: 177
Network: FX FXX
Genres: Comedy
Production Companies: 3 Arts Entertainment, Bluebush Productions, FX Productions, RCG Productions
Synopsis
Four egocentric friends run a neighborhood Irish pub in Philadelphia and try to find their way through the adult world of work and relationships. Unfortunately, their warped views and precarious judgments often lead them to trouble, creating a myriad of uncomfortable situations that usually only get worse before they get better.
Cast

Charlie Day
Charlie Kelly

Glenn Howerton
Dennis Reynolds

Rob Mac
Ronald 'Mac' McDonald

Kaitlin Olson
Deandra 'Dee' Reynolds

Danny DeVito
Frank Reynolds