Season 4 has a number of A-level classics, e.g. “The Gang Solves the Gas Problem,” “Mac’s Banging the Waitress” and “Mac and ...

As has been shown time and time again across the many seasons of It’s Always Sunny In Philadelphia, Dennis, Dee, Mac, Charlie ...

Halpern & Schumacker on "Always Sunny" Episode: "It's been written ... Schumacker on Why We Didn't Get Much Dennis in "Volunteers": "Glenn [Howerton] had a show that he is a series regular ...

This episode is a fan favorite and, to me, it's a big reason why Season 4 is one of the best seasons of It's Always Sunny with this ... In the musical, siblings Dennis and Dee play a little ...

“It’s Always Sunny in Philadelphia,” which celebrates the 20th anniversary since its premiere episode this year, stars Rob McElhenney, Charlie Day, Glenn Howerton, Kaitlin Olson and Danny DeVito.

Watch it below: It’s Always Sunny in Philadelphia‘s main gang Ronald “Mac” MacDonald (Rob McElhenney), Charlie Kelly (Charlie Day), Dennis Reynolds (Glenn Howerton), Dee Reynolds (Kaitlin ...

The gang returns in Season 17 of “It’s Always Sunny in Philadelphia,” premiering ... this time from Mac, Charlie, Dennis, Dee and Frank’s perspective. In a clip teasing the new season ...

Series creator and star McElhenney previously assured TheWrap that audiences will finally learn what Dennis was doing behind those cameras. Also — to the surprise of absolute no “Always Sunny” fan — ...