It’s Always Sunny in Philadelphia’s Kaitlin Olson looks back on the Abbott Elementary crossover. Find out what she had to say ...

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

Whenever crossovers happen on TV, obviously, we’re thinking about how the casts will work together, and that was especially ...

“It’s Always Sunny in Philadelphia,” which celebrates the 20th anniversary since its premiere episode this year, stars Rob McElhenney, Charlie Day, Glenn Howerton, Kaitlin Olson and Danny DeVito.

It’s Always Sunny in Philadelphia is celebrating a major ... FXX has also released a first look at the other half of that Abbott Elementary crossover, along with much more.

Halpern & Schumacker on "Always Sunny" Episode: "It's been written, it's been shot. I was present for quite a bit of it, and it's very cool. The ideal viewing experience will eventually be ...

Halpern & Schumacker on "Always Sunny" Episode: "It's been written, it's been shot. I was present for quite a bit of it, and it's very cool. The ideal viewing experience will eventually be ...

Kaitlin Olson, Tyler James Williams, Chris Perfetti, Sheryl Lee Ralph, Janelle James, Glenn Howerton, and Lisa Ann Walter (Abbott Elementary-It's Always Sunny in Philadelphia crossover ...

"I was trying to scandalize everybody on the set, and I think I succeeded," the Emmy nominee says on "The Awardist" podcast.

Always Sunny took care of their cast ... and you can see by re-watching the first half of the crossover (Abbott Elementary Season 4, Episode 9) with a Hulu subscription.