Want to retrace the steps of the Gang? Here's where the major locations of It's Always Sunny in Philadelphia were filmed.

Here's how the actor/writer/producers approach improvisation on the set of the long-running comedy series It's Always Sunny ...

There are some seasons where we’re like ‘oh, I can’t do this anymore.’ But there are other seasons where everyone is just ...

Glenn Howerton doesn't believe the character he plays, Dennis Reynolds, harbors anti social behavior in 'It's Always Sunny in ...

Here's a look back at the most recently-released official teaser for It's Always Sunny in Philadelphia Season 16 ... people/things they've wronged. While Mac, who's on a run of good luck, meets ...

so too do It’s Always Sunny in Philadelphia stans posit whether it’s Charlie, Mac, or Dennis who qualifies as the series’ own true “babygirl.” In fact, there are conflicting answers to t ...

The “It’s Always Sunny in Philadelphia” crew is headed to ... crossover episode will see Charlie (Charlie Day), Mac (Rob McElhenney), Dee (Kaitlin Olson), Dennis (Glenn Howerton) and ...

The cast of It’s Always Sunny in Philadelphia made its way to the ABC ... Rob McElhenney’s Mac, Danny DeVito’s Frank, Kaitlin Olson’s Dee and Glenn Howerton’s Dennis visiting Willard ...

Ava drafts the eager-to-please Mac to be her personal assistant ... Elementary” appears in an episode of “It’s Always Sunny in Philadelphia,” as is planned for the coming season.