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 ...

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

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

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

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.

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 ...

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.

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