Alongside this new season, Rob McElhenney will also be debuting his new name, Rob Mac, and his castmates, Danny DeVito and Charlie Day, had the funniest reactions to the news. No, it’s not a joke.

Season 17, Episode 1 of FX's "It's Always Sunny in Philadelphia," marks part two of its crossover event with ABC's "Abbott ...

Charlie Day, Danny DeVito, Rob Mac, Kaitlin Olson and Glenn Howerton at PaleyLive: "It's Always Sunny in Philadelphia" 20th Anniversary Celebration (Earl Gibson III/Deadline via Getty Images) ...

The It's Always Sunny in Philadelphia cast has thoughts on the worst things the gang has ever done, though some of their ...

Rob McElhenney, Glenn Howerton, Kaitlin Olson, Danny DeVito and Charlie Day act during a dance scene on the set of “It’s Always Sunny In Philadelphia” on May 23, 2007.

Charlie Day, Danny DeVito, Rob McElhenney, Kaitlin Olson and Glenn Howerton at the PaleyLive Program: ‘It’s Always Sunny in Philadelphia’ 20th anniversary celebration on July 1, 2025.

Danny DeVito is ready for his It's Always Sunny in Philadelphia character, Frank Reynolds, to look for love on the show's Golden Bachelor crossover episode, as teased in the season 17 trailer.

She added, “He just quietly left, and the day was over for him. So even he has a threshold for how far he’s willing to go. But for the overwhelming majority, their experience with him is great.

When it comes to the Golden Bachelor crossover, Danny DeVito, who plays Frank Reynolds, teased to PEOPLE that the episode "just insane stuff going on," adding, "We had a ball doing it.

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, ...

DeVito was filming an underwater scene for Season 11’s “The Gang Goes to Hell: Part Two” with co-stars Glenn Howerton, Kaitlin Olson, Charlie Day and Rob McElhenney, which required the star ...