The sitcom returns Wednesday with its 'Abbott Elementary' crossover. Whether you're a longtime fan or new to the series, The ...

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

It's Always Sunny star Rob McElhenney isn't making everyone happy with his decision to legally change his name to Rob Mac.

Mac's Tavern bar owned by "It's Always Sunny in Philadelphia" stars will close after 15 years It's the end of an era for Mac's Tavern on Market Street in Old City.

The Old City bar co-founded by "It's Always Sunny in Philadelphia" stars Rob McElhenney and Kaitlin Olson announced its closure on social media.

Mac's Tavern, the Old City bar and restaurant known for its ties to "It's Always Sunny in Philadelphia" stars Rob McElhenney and Kaitlin Olson, is closing after a 15-year-run on Market Street.

If any member of the Always Sunny gang has actually experienced some sort of arc, it's Mac.

Always Sunny has always benefited from perfectly-cast side characters (including the late Lynne Marie Stewart as Charlie’s Mom), but the true appeal is seeing Mac, Charlie, Dennis, Dee, and ...

Danny DeVito's 80th birthday is celebrated by his It's Always Sunny in Philadelphia co-stars.

Charlie was interrupted by Frank before the tattoo could be completed In It's Always Sunny in Philadelphia season 2, episode 10, "Dennis and Dee Get a New Dad," Charlie and Mac's B-story also has ...