The original premise for It's Always Sunny in Philadelphia didn't involve the show's characters running a bar, but it's a ...

Oh, Dennis Reynolds, the resident sociopath of It’s Always Sunny in Philadelphia. Thanks to Glenn Howerton’s mastery of ...

Kaitlin Olson’s It's Always Sunny audition wowed FX bosses, earning comparisons to Lucille Ball for her iconic comedic talent ...

Kaitlin Olson has no relation to the famous twin siblings Mary-Kate and Ashley-Olsen, nor does she share a bond with them.

It's Always Sunny in Philadelphia's early struggle, per Kaitlin Olson, mirrors the long-running sitcom's main core.

Hacks on HBO and High Potential on ABC may not share any structural similarities. However, they do share a common element that plays a huge role in determining the success of both shows.

The sole lead of the biggest new show on television is none other than Kaitlin Olson — let’s hope that Frank didn’t pay to ...

Though Olson could not be more unlike her character in real life, this is such a Dee Reynolds answer ... that they’re old enough. It's Always Sunny in Philadelphia can be accessed with either ...

Image Credit: FX Productions. Even those who've never watched a second of It's Always Sunny in Philadelphia know the Pepe Silvia scene from “Sweet Dee Has a Heart Attack” through memes.

The first of two Abbott Elementary and It's Always Sunny in Philadelphia crossover ... assisting principal Coleman (James), and Deandra "Sweet Dee" Reynolds (Kaitlin Olson) attempting to seduce ...

As trouble comes to Abbott Elementary, Kaitlin Olson is providing a cheat sheet for fans curious about It’s Always Sunny in Philadelphia ... Season 7’s ‘Sweet Dee Gets Audited’, Season ...

In Season 3, Bradley Cooper joined a class for show-and-tell, the Philadelphia ... caused by Deandra, or “Sweet Dee.” This episode finds the lone woman in the main Sunny crew initially bonding ...