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.

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

It's Always Sunny in Philadelphia or Abbott Elementary? Kaitlin Olson and the cast from the ABC sitcom try to match the quote with the show.

The actor and Quinta Brunson described how the tones of the two sitcoms would mesh and teased which characters would be ...

The creator-stars talk about the challenges of merging PG- and R-rated shows and which characters they wish they could keep ...

The biggest moment in Philly television arrives early in the new year with a crossover episode of "Abbott Elementary" and "It ...

The respective stars and creators of "Abbott Elementary" and "It's Always Sunny in Philadelphia" discussed how their shows ...

"Abbott Elementary" returns to class with FXX's "It's Always Sunny in Philadelphia" gang in a highly anticipated crossover, premiering January 8 on ABC.

Rob McElhenney and Quinta Brunson share how a social media exchange led to the It's Always Sunny in Philadelphia/Abbott Elementary crossover.

ABC is ready to get back to class with a new teaser for ;Abbott Elementary's upcoming crossover with 'It's Always Sunny in ...