"I was aching to do other things and so I was starting to feel a little boxed in," the star and co-creator adds.

It was the implication. Glenn Howerton, who stars as the sociopathic Dennis Reynolds in the long running sitcom “It’s Always ...

Glenn Howerton revealed during PaleyLive's panel for the 20th anniversary of 'It's Always Sunny in Philadelphia' that he ...

A theory of why “It’s Always Sunny in Philadelphia,” an excellent show about terrible people, has stayed successful ...

It's Always Sunny In Philadelphia almost lost one of its main and important cast members after its eleventh season, and fans ...

After witnessing EMTs resuscitate a Paddy's patron, Mac and Dennis set out to become the pinnacle of masculinity in a new ...

You can see Glenn Howerton in It’s Always Sunny in Philadelphia, which is now streaming with a Hulu subscription. The show returns for its 17th season on July 9th with its Abbott Elementary crossover ...

On Wednesday, FX revealed the trailer for Eva Longoria ’s Necaxa series, a spinoff of Ryan Reynolds and Rob Mac ’s Welcome to ...

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

It’s Always Sunny in Philadelphia Season 6 Episode 3, titled The Gang Buys a Boat, portrays one scene which eventually ...

For a legendary television show that was initially thought to be a short film shot on a digital camcorder by Rob McElhenney, ...

Plus, Charlie Day and Glenn Howerton tell TheWrap which other sitcom they'd love to cross over with after "Abbott Elementary.