TV It's Always Sunny in Philadelphia - Season 4 It's Always Sunny in Philadelphia - Season 4 8.282/10 by 1193 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 - Season 4 Alternative Titles 酒吧五杰, It’s Always Sunny, Always Sunny, FX's Sunny First Air Date 2005-08-04 Last Air Date 2025-08-13 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 Episodes List It's Always Sunny in Philadelphia Season 4 :Episode 1 Mac and Dennis: Manhunters Mac and Dennis: Manhunters 2008-09-18 Four egocentric friends run a neighborhood Irish pub in Philadelphia and try to find their way through the adult world of work and relationships.... It's Always Sunny in Philadelphia Season 4 :Episode 2 The Gang Solves the Gas Crisis The Gang Solves the Gas Crisis 2008-09-18 Four egocentric friends run a neighborhood Irish pub in Philadelphia and try to find their way through the adult world of work and relationships.... It's Always Sunny in Philadelphia Season 4 :Episode 3 America’s Next Top Paddy’s Billboard Model Contest America’s Next Top Paddy’s Billboard Model Contest 2008-09-25 Four egocentric friends run a neighborhood Irish pub in Philadelphia and try to find their way through the adult world of work and relationships.... It's Always Sunny in Philadelphia Season 4 :Episode 4 Mac’s Banging the Waitress Mac’s Banging the Waitress 2008-09-25 Four egocentric friends run a neighborhood Irish pub in Philadelphia and try to find their way through the adult world of work and relationships.... It's Always Sunny in Philadelphia Season 4 :Episode 5 Mac and Charlie Die (1) Mac and Charlie Die (1) 2008-10-02 Four egocentric friends run a neighborhood Irish pub in Philadelphia and try to find their way through the adult world of work and relationships.... It's Always Sunny in Philadelphia Season 4 :Episode 6 Mac and Charlie Die (2) Mac and Charlie Die (2) 2008-10-02 Four egocentric friends run a neighborhood Irish pub in Philadelphia and try to find their way through the adult world of work and relationships.... It's Always Sunny in Philadelphia Season 4 :Episode 7 Who Pooped the Bed? Who Pooped the Bed? 2008-10-09 Four egocentric friends run a neighborhood Irish pub in Philadelphia and try to find their way through the adult world of work and relationships.... It's Always Sunny in Philadelphia Season 4 :Episode 8 Paddy’s Pub: The Worst Bar in Philadelphia Paddy’s Pub: The Worst Bar in Philadelphia 2008-10-16 Four egocentric friends run a neighborhood Irish pub in Philadelphia and try to find their way through the adult world of work and relationships.... It's Always Sunny in Philadelphia Season 4 :Episode 9 Dennis Reynolds: An Erotic Life Dennis Reynolds: An Erotic Life 2008-10-23 Four egocentric friends run a neighborhood Irish pub in Philadelphia and try to find their way through the adult world of work and relationships.... It's Always Sunny in Philadelphia Season 4 :Episode 10 Sweet Dee Has a Heart Attack Sweet Dee Has a Heart Attack 2008-10-30 Four egocentric friends run a neighborhood Irish pub in Philadelphia and try to find their way through the adult world of work and relationships.... It's Always Sunny in Philadelphia Season 4 :Episode 11 The Gang Cracks the Liberty Bell The Gang Cracks the Liberty Bell 2008-11-06 Four egocentric friends run a neighborhood Irish pub in Philadelphia and try to find their way through the adult world of work and relationships.... It's Always Sunny in Philadelphia Season 4 :Episode 12 The Gang Gets Extreme: Home Makeover Edition The Gang Gets Extreme: Home Makeover Edition 2008-11-13 Four egocentric friends run a neighborhood Irish pub in Philadelphia and try to find their way through the adult world of work and relationships.... It's Always Sunny in Philadelphia Season 4 :Episode 13 The Nightman Cometh The Nightman Cometh 2008-11-20 Four egocentric friends run a neighborhood Irish pub in Philadelphia and try to find their way through the adult world of work and relationships....