It’s Always Sunny in Philadelphia” has been on the air for a record 20 years, running for more seasons than any other ...

FX series It's Always Sunny in Philadelphia could have looked different with Kaitlin Olson as Sweet Dee Reynolds initially ...

The Gang's looking a little "cheesy" in the official poster for FXX's It's Always Sunny in Philadelphia Season 17, premiering on July 9th.

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' costars Rob McElhenney and Kaitlin Olson, who are married in real life, say his ...

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

Rob McElhenney's wife, Kaitlin Olson, has revealed how she was left unhappy over a choice her It's Always Sunny in ...

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

The It's Always Sunny in Philadelphia costars, who met on the FX show in 2005 and married in 2008, welcomed their first son, ...

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