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

After much anticipation, the unlikely meeting of the two worlds unfolded on Wednesday's installment of "Abbott Elementary." ...

The ABC procedural, which returns for the second half of its season Tuesday, has been a fun challenge for Kaitlin Olson, who ...

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

The ABC detective series returns for its midseason premiere with another twist The post ‘High Potential’: Kaitlin Olson and ...

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

High Potential premiered on Sept. 17 and currently has a score of 94% on Rotten Tomatoes. Olson plays Morgan, whose ...

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.

High Potential is back and making way for a new dynamic between consultant Morgan ( Kaitlin Olson) and LAPD Detective Karadec ...

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 ...