TV It's Always Sunny in Philadelphia It's Always Sunny in Philadelphia 8.278/10 by 1182 users 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. Details Casts Posters Images Title It's Always Sunny in Philadelphia Alternative Titles It’s Always Sunny First Air Date 2005-08-04 Last Air Date 2025-07-23 Number of Episodes 177 Number of Seasons 17 Genres Comedy, Networks FX, FXX, Casts Charlie Day, Glenn Howerton, Rob Mac, Kaitlin Olson, Danny DeVito Plot Keywords , Charlie Kelly Charlie Day Dennis Reynolds Glenn Howerton Ronald 'Mac' McDonald Rob Mac Deandra 'Dee' Reynolds Kaitlin Olson Frank Reynolds Danny DeVito