The cast of "It's Always Sunny in Philadelphia" will appear on "Abbott Elementary" tonight. Here's how to watch, when it airs ...

It's Always Sunny in Philadelphia's Kaitlin Olson handpicks 'slightly tamer' episodes that Abbott Elementary fans might enjoy ...

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.

Wrexham co-owner Rob McElhenney has spoken out after wildfires broke out in his Los Angeles neighbourhood, with the 'It's ...

The anticipation for Abbott Elementary and It’s Always Sunny crossover episode has been building up among the fans of both ...

ABC released a huge new image gallery from the crossover event between FXX's It's Always Sunny in Philadelphia and ABC's Abbott Elementary.

The Abbott Elementary & It's Always Sunny In Philadelphia crossover had hilarious character interactions, but it hid ...

In true TV crossover fashion, everyone learns a lesson when the It's Always Sunny in Philadelphia gang visits Abbott Elementary.

The crossover episode of two is the ultimate tribute to the city’s attitude, quirks, and, of course, its signature phrase: ...

A funny, faithful ‘Abbott/Sunny’ crossover episode In the most Philly moment on TV this — or any – season, the crew from ...