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It's Always Sunny in Philadelphia Season 18 Production Begins!

3/14/2026

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Summary

Story summary

Charlie Day, executive producer and star of It's Always Sunny in Philadelphia, announced at SXSW that production is underway for Season 18.
The return of fan-favorite characters, including Guillermo del Toro as Pappy McPoyle, was announced.
Day teased fairly large episodes that build on the success of Season 17.
There is no official release date yet; speculation points to July 2026.

History

Historical Context

"It's Always Sunny in Philadelphia" premiered on August 4, 2005, on FX, introducing a unique blend of dark humor and unconventional storytelling. The show, created by Rob McElhenney, has since become the longest-running live-action sitcom in U.S. history, with its 18th season announced in December 2020. Its success reflects a significant shift in audience expectations for sitcoms, influencing the genre's evolution.

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Story summary

Charlie Day, executive producer and star of It's Always Sunny in Philadelphia, announced at SXSW that production is underway for Season 18.
The return of fan-favorite characters, including Guillermo del Toro as Pappy McPoyle, was announced.
Day teased fairly large episodes that build on the success of Season 17.
There is no official release date yet; speculation points to July 2026.

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