Lisa Kudrow revealed during an interview on “The Drew Barrymore Show” (via People) that she recently discovered a note the late Matthew Perry left for her inside the “Friends” cookie jar, which he gifted her after they wrapped filming the series finale in January 2004. Kudrow wouldn’t reveal what the letter said but mused: “Timing …

Quinta Brunson talks about the inspiration behind Abbott Elementary and It's Always Sunny in Philadelphia's crossover episode, what it was like to have Philadelphia Eagles players making an appearance on Abbott Elementary and her Sesame Street appearance.

Kicking off Jan. 8 with 'Abbott Elementary', Quinta Brunson and Rob McElhenney shared details of the 'It's Always Sunny in Philadelphia' crossover.

Paddy’s Pub isn’t the friendliest place in the world for elementary school students. After all, most kids don’t get fake IDs until high school.This Wednesday evening, Mac, Dennis, Charlie, Dee and Fra

Here's some background and inside jokes to help fill in some of the gaps for viewers who don't watch both Philly-based shows.

The respective stars and creators of "Abbott Elementary" and "It's Always Sunny in Philadelphia" discussed how their shows came together for a crossover episode premiering Jan. 8 on ABC.

Philly pride runs strong, even for celebrities. The Welcome to Wrexham creator and Bradley Cooper are not the only famous guest stars to pay tribute to their roots in an episode of Abbott. Eagles football players Jalen Hurts and Jason Kelce also made cameos in Season 3, as Abbott ’s always one to cater to their PA fanbase.

With the first part of 'Abbott Elementary' and 'It's Always Sunny in Philadelphia's crossover airing Wednesday on ABC, Kaitlin Olson has some tips.