TV It's Always Sunny in Philadelphia - Season 12 It's Always Sunny in Philadelphia - Season 12 8.278/10 by 1187 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 12 Alternative Titles It’s Always Sunny First Air Date 2005-08-04 Last Air Date 2025-07-30 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 12 :Episode 1 The Gang Turns Black The Gang Turns Black 2017-01-04 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 12 :Episode 2 The Gang Goes to a Water Park The Gang Goes to a Water Park 2017-01-11 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 12 :Episode 3 Old Lady House: A Situation Comedy Old Lady House: A Situation Comedy 2017-01-18 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 12 :Episode 4 Wolf Cola: A Public Relations Nightmare Wolf Cola: A Public Relations Nightmare 2017-01-25 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 12 :Episode 5 Making Dennis Reynolds a Murderer Making Dennis Reynolds a Murderer 2017-02-01 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 12 :Episode 6 Hero or Hate Crime? Hero or Hate Crime? 2017-02-08 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 12 :Episode 7 PTSDee PTSDee 2017-02-15 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 12 :Episode 8 The Gang Tends Bar The Gang Tends Bar 2017-02-22 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 12 :Episode 9 A Cricket's Tale A Cricket's Tale 2017-03-01 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 12 :Episode 10 Dennis' Double Life Dennis' Double Life 2017-03-08 Four egocentric friends run a neighborhood Irish pub in Philadelphia and try to find their way through the adult world of work and relationships....