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.

Note: The following story contains spoilers from "Abbott Elementary" Season 4, Episode 9. When "Abbott Elementary" creator ...

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

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

Court-ordered community service, urine-soaked animal pelts, and a Billy Madison homage: How It’s Always Sunny infiltrated ...

Lisa Kudrow revealed during an interview on “The Drew Barrymore Show” (via People) that she recently discovered a note the ...

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 ...

The star of the FX series also admits he was initially hesitant about the crossover concept as 'It's Always Sunny in ...

Classes are being put on pause at Abbott Elementary. The ABC sitcom is among the many shows that have to suspend production because of the wildfires devastating the City of Los Angeles. According to ...

A new “Abbott Elementary” episode brings volunteers from “It’s Always Sunny in Philadelphia.” The crossover episode airs ...