"It's Always Sunny in Philadelphia" returns tonight at 9 p.m. ET on FXX with the Season 17 premiere and a must-see comedy ...

Although chaos often unfolds for the gang in ‘It’s Always Sunny in Philadelphia,’ many cast members have been happily married ...

Kaitlin Olson is so hilarious as Dee on It's Always Sunny in Philadelphia that it's impossible to think of anyone else in the ...

Some teachers walk into a bar…and meet one of television’s most iconic comedic gangs. It sounds like the setup to a bad joke, ...

Kaitlin Olson is best known for her long-running role as Dee on It's Always Sunny in Philadelphia, but she also shines in ...

Kaitlin Olson is mostly known for acting in the popular TV series Hacks and High Potential. The actress' husband Rob ...

Season 17 of “It’s Always Sunny in Philadelphia” drops two new episodes when it premieres on July 9 and moves to weekly for ...

In an encompassing New York Times feature on the long-running sitcom, the show's creator says he sought to explore the humor ...

Kaitlin Olson reacted to her husband, Rob McElhenney, changing his name to Rob Mac during an interview with PEOPLE at the 'It ...

Rob McElhenney’s new last name has high potential. But for his wife and “It’s Always Sunny in Philadelphia” co-star, Kaitlin ...

Kaitlin Olson says her kids are "really not happy" about their dad Rob McElhenney changing his name. The 'It's Always Sunny ...

Prepare to welcome a new series regular this fall!