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

For fans of both It’s Always Sunny In Philadelphia and Abbott Elementary, this is probably their most highly anticipated week on the 2025 TV schedule. That's because the first of two crossover episodes between the beloved Philly-based comedies will premiere today (Jan.

In 2024, 9-1-1 and The Bachelor memorably joined forces for the most dramatic emergency in Bachelor Nation history. And this year, the network is making comedy history when the It’s Always Sunny in Philadelphia gang crashes Abbott Elementary for an unforgettable crossover episode.

The collaboration commences with Season 4, Episode 9, of "Abbott Elementary," airing Jan. 8, and will continue with a follow-up episode of "It's Always Sunny in Philadelphia," expected to air in the show's upcoming Season 17.

We get it in our heads that some flavors could never, ever work together — only for their collision to yield something wonderful. Kids make these discoveries all the time. Inebriated people do too. Separately,

Here's a look at our real-time thoughts on tonight's crossover between FXX's It's Always Sunny in Philadelphia and ABC's Abbott Elementary.

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 …

A new “Abbott Elementary” episode brings volunteers from “It’s Always Sunny in Philadelphia.” The crossover episode airs Wednesday, Jan. 8, at 8:30 p.m. ET on ABC.

A live TV streaming service that includes ABC in its channel lineup will do the trick. Hulu Plus Live TV and YouTube TV are among the options -- both start at $83 per month -- and you can stream the Abbott Elementary episode with Sling Blue if you're in a select city.