Created by Rob McElhenney, It's Always Sunny in Philadelphia, is a sitcom featuring Charlie Day, Danny DeVito, Kaitlin Olson, and others.

The Gang hits their prime in season 17 of “It’s Always Sunny in Philadelphia.” Ronald “Mac” MacDonald (Rob Mac), Charlie ...

Kaitlin Olson reveals what's in crime-solving genius Morgan's case file for "High Potential" Season 2. An exclusive first ...

The second season of High Potential premieres Tuesday, September 16 at 10:00 p.m. ET on ABC.

When "It's Always Sunny in Philadelphia" premiered back in 2005, its creators probably weren't expecting it to be one of the ...

After making cameos in previous seasons, Rob Mac and Kaitlin Olson's sons return for new roles in It's Always Sunny in ...

Celebrities having birthdays during the week of Aug. 17-23 include comedian Andy Samberg, singer Belinda Carlisle of The Go-Go’s and actor Sean Penn ...

It's Always Sunny in Philadelphia's Glenn Howerton cleared up something folks have been getting wrong about Danny DeVito's ...

Dennis and Dee attempt to reconnect with their former prom dates in a new episode of "It's Always Sunny in Philadelphia" ...

Kaitlin Olson and Rob McElhenney may have played blunt characters on It's Always Sunny in Philadelphia, but in reality, they ...

With this week's episode a sequel, here's a look back at It's Always Sunny in Philadelphia S01E03: "Underage Drinking: A National Concern." ...

It’s Always Sunny in Philadelphia has run for more years than it has seasons, which is largely due to a highly in-demand cast and a global pandemic. And so, despite currently being in its 17th season, ...