Costar Glenn Howerton, who lived with McElhenney, said Olson would suddenly be too drunk and need to stay over.Actor Glenn ...

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

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 ...

It's Always Sunny in Philadelphia wouldn't work without its perfectly assembled cast, but at one point, star Charlie Day ...

When It’s Always Sunny in Philadelphia and Abbott Elementary crossed over earlier this year, the episode turned out to be a ...

Behind Danny DeVito's infamous stunt was the miracle of life that inspired the It's Always Sunny in Philadelphia team.

In a profile interview from earlier today, It's Always Sunny in Philadelphia creator Rob McElhenney explained why he now goes by "Rob Mac." ...

Halpern & Schumacker on "Always Sunny" Episode ... they're doing. It's really clever the way that they piece together their episode. It's really ambitious," Halpern added. Frank & Mr. Johnson ...

The first season of It’s Always Sunny In Philadelphia is solid, but the long-running FX series truly became something special with Danny DeVito’s Frank Reynolds became a part of the cast in ...

“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.

Even without Dennis, the Gang has its hands full ... feminism to new heights, and Frank goes to great lengths for the Gang to experience the greatest moment in Philadelphia sports history ...

In the black-and-white noir world of his memory, Charlie navigates the seedy underbelly of Philadelphia as Frank has been "diarrhea poisoned," and it's up to Charlie to clean up the mess. During their ...