Its Always Sunny Season 18 in development as writers return in Oct

The seventeenth season of Its Always Sunny in Philadelphia concluded on August 20, 2025 with a finale that left fans celebrating and speculating about what comes next. While the network has guaranteed the series at least 18 seasons under a multiyear deal, no official premiere date for Season 18 has been announced. Cast members and showrunners have offered updates that point to active development: Charlie Day has said the writers room is expected to reopen in October 2025, and Danny DeVito has indicated production will begin around the end of January. For now, viewers must wait for formal scheduling announcements even as the creative team prepares to return to work.

The show that debuted in 2005 has marked its 20th anniversary amid Season 17, a run that blended the series staple of dark comedy and outrageous schemes with ambitious pastiches and guest performances. The season finale, presented as a parody of reality dating shows, featured the unexpected casting of Carol Kane and included a tearful on-screen tribute to Lynne Marie Stewart in her final role as Bonnie Kelly. The episode balanced satire and sentiment in a way that many critics and viewers praised, and it left open...