The long-running TV comedy series, “It’s Always Sunny in Philadelphia,” returns Wednesday, July 9 at 9 p.m. ET on FXX.

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

Glenn Howerton addresses the ongoing 'It's Always Sunny in Philadelphia' fan theory about Dennis Reynolds being a serial ...

Although chaos often unfolds for the gang in ‘It’s Always Sunny in Philadelphia,’ many cast members have been happily married ...

It's Always Sunny in Philadelphia star Glenn Howerton recently spoke about an infamous Dennis Reynolds scene he almost wasn't willing to film.

In January, the characters of the FX series It's Always Sunny in Philadelphia showed up as court-appointed volunteers on an episode of the ABC sitcom Abbott Elementary. The crossover continues July 9.

Glenn Howerton's real-life wife appeared in a guest role on one of the darkest Dennis episodes of It's Always Sunny in Philadelphia.

Oh, Dennis Reynolds, the resident sociopath of It’s Always Sunny in Philadelphia. Thanks to Glenn Howerton’s mastery of comedic timing, there’s an argument that Dennis is the show’s ...

Dennis Reynolds, a former deputy with the Augusta County Sheriff’s Office, filed a federal lawsuit against Sheriff Donald Smith, alleging multiple workplace violations.

Dennis Reynolds, a former deputy at the Augusta County Sheriff’s Office, filed a federal civil rights lawsuit Wednesday against Sheriff Donald Smith in the U.S. District Court for the Western ...

Glenn Howerton is finally weighing in on the It’s Always Sunny in Philadelphia fan theory that his character, Dennis Reynolds ...

It’s Always Sunny in Philadelphia’ season 17 will premiere on Wednesday, July 9, with an "Abbott Elementary" crossover episode.