The ABC procedural, which returns for the second half of its season Tuesday, has been a fun challenge for Kaitlin Olson, who ...

"It's Always Sunny in Philadelphia" is not only the longest-running comedy series of all time, it's still going strong. It focuses on a group of narcissistic and sociopathic friends who run an Irish ...

This is an actual puzzle that has fit together in a really great way,' says EP Justin Halpern of the comedy crossover.

The Gang from It's Always Sunny in Philadelphia looks to leave their mark on Abbott Elementary in a new crossover teaser that was released.

T he success of the longest-running sitcoms can be attributed to their timelessness and adaptability; they have to survive ...