IT’S ALWAYS SUNNY IN PHILADELPHIA – Returns in September (Promo Video) July 13, 2008 It's Always Sunny In Philadelphia, News FX has finally announced a date for the return of IT’S ALWAYS SUNNY IN PHILADELPHIA. The show will return for an all new season on Thursday, September 18. I cannot wait!!! You can watch a video of a short (really it’s short) promo below. You can also find more videos on the official website. Read all our It’s Always Sunny In Philadelphia coverage here. Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window)Click to share on Reddit (Opens in new window)Click to share on Google+ (Opens in new window)Click to share on Tumblr (Opens in new window)Click to share on Pocket (Opens in new window)