It's Always Sunny in Philadelphia is an American comedy television series created by Rob McElhenney, and developed by McElhenney and Glenn Howerton, who also serve as writers and executive producers with Charlie Day. The series premiered on August 4, 2005, on FX, and moved to its sister network FXX beginning with its ninth season. The series follows "The Gang", a group of five narcissistic underachievers: twins Dennis (Howerton) and Deandra "Sweet Dee" Reynolds (Kaitlin Olson), their friends Charlie Kelly (Day) and Ronald "Mac" McDonald (McElhenney), and their legal father Frank Reynolds (Danny DeVito), who run Paddy's Pub, a run-down bar in South Philadelphia.
In December 2020, the series was renewed through an eighteenth season, making it the longest-running live-action comedy series in American television history in terms of seasons.[1][2] As of July 19, 2023,[update] 170 episodes of It's Always Sunny in Philadelphia have aired, concluding the sixteenth season. The seventeenth season is set to premiere on July 9, 2025.[3]
^ a This episode is a direct to DVD, Blu-ray and digital download movie.[34] It was released on November 17, 2009, and aired on December 16, 2010 on FX as the last episode of season 6. A video disclaimer on the Blu-ray release indicates it was not filmed in high definition, but was upconverted.