When "It's Always Sunny in Philadelphia" premiered back in 2005, its creators probably weren't expecting it to be one of the ...

As for whether Howey might return for Season 2, the chances are a bit murkier after he landed a series regular role in ABC’s ...

After making cameos in previous seasons, Rob Mac and Kaitlin Olson's sons return for new roles in It's Always Sunny in ...

Celebrities having birthdays during the week of Aug. 17-23 include comedian Andy Samberg, singer Belinda Carlisle of The Go-Go’s and actor Sean Penn ...

It's Always Sunny in Philadelphia's Glenn Howerton cleared up something folks have been getting wrong about Danny DeVito's ...

Wrexham co-owner Rob McElhenney found himself brought back down to earth after wife Kaitlin Olson brutally critiqued his golf swing on the PGA Tour.

Kaitlin Olson sparked some social media banter after cheekily claiming husband Rob McElhenney's Emmy award for 'Welcome to Wrexham' as her own.

Oliver Stark hinted at his involvement in a potential crossover episode with the upcoming '9-1-1: Nashville' spinoff when ...

Dennis and Dee attempt to reconnect with their former prom dates in a new episode of "It's Always Sunny in Philadelphia" ...

Jennifer Love Hewitt suggested in an interview that 9-1-1 and High Potential have a crossover episode, and it's an amazing ...

It’s Always Sunny in Philadelphia is one of the best comedy TV shows ever. However, it’s not flawless. There have been many ...

Kaitlin Olson and Rob McElhenney are parents to two children, sons Axel and Leo. Here's everything to know about Kaitlin ...