IT’S ALWAYS SUNNY IN PHILADELPHIA Preview Clips Video September 13, 2008 It's Always Sunny In Philadelphia, News IT’S ALWAYS SUNNY IN PHILADELPHIA returns for its fourth season on Thursday, September 18, at 10pm on FX. And to help you wait we have three preview clips from It’s Always Sunny in Philadelphia Season 4 episode premiere, “Mac & Dennis: Manhunters.” This episode deals with cannibalism and man hunting. And since it’s all seen through the eyes of the It’s Always Sunny in Philadelphia crew, it’s outrageous. 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)