TV schedule really started off perfectly with a hilarious crossover of Abbott Elementary and It’s Always Sunny in ...

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.

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

The highly anticipated crossover episode of “Abbott Elementary” and “It’s Always Sunny in Philadelphia” blends the raunchy, ...

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

Plus, the star reveals he auditioned many times for 'It's Always Sunny in Philadelphia' before landing his role as 'Abbott's ...

Mark your calendars! A super exciting crossover between two of your favorite shows, ‘Abbott Elementary’ and ‘It’s Always Sunny in Philadelphia,’ is happening this coming January 8th on ABC at 8:30 PM ...

"Abbott Elementary" star Janelle James is schooling us on that "It's Always Sunny" crossover and unwinding with the help of ...

The two sitcoms could hardly be more tonally different, but this week’s crossover episode of “Abbott” was relatively seamless ...

Charlie learns to read, Dee impersonates Ben Franklin, and Frank fights raccoons. We don't quite know what's up with Dennis ...

The 'Abbott Elementary' episode of the ‘It’s Always Sunny in Philadelphia’ and 'Abbott Elementary' crossover just aired. When will the ‘It’s Always Sunny' episode air? Here's what we know.