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

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

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

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

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

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

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

It's Always Sunny in Philadelphia 's co-stars go the extra mile to make audiences laugh, with Kaitlin Olson regularly putting her body on the line for the sake of enjoyment.

A theory of why “It’s Always Sunny in Philadelphia,” an excellent show about terrible people, has stayed successful throughout 20 years of changing cultural appetites.

After the traumas that went down in 9-1-1 's season finale, Maddie could probably use a pick-me-up in Season 9 in the form of a brilliant single mom with a sharp tongue. No telling what kind of ...

Premiering in 2005, It's Always Sunny in Philadelphia is on its way to becoming the ... The central cast — Glenn Howerton, Kaitlin Olson, Charlie Day, Rob Mac, Danny DeVito, and Mary Elizabeth Ellis — ...

With 'It's Always Sunny' recently concluding its 'Abbott Elementary' crossover event, Kaitlin Olson has the opportunity to ...