Skip to content
Streambay
It's Always Sunny in Philadelphia Season 18 poster

It's Always Sunny in Philadelphia Season 18 Episode release dates & where to watch

Premiered

Monday, August 17, 2026

Ended: Monday, October 12, 2026

When does It's Always Sunny in Philadelphia Season 18 come out?

It's Always Sunny in Philadelphia Season 18 premiered Monday, August 17, 2026 on FXX and ended Monday, October 12, 2026. The season has 10 episodes.

Last updated

It's Always Sunny in Philadelphia Season 18 release schedule

It's Always Sunny in Philadelphia Season 18 episode release dates
Episode Release date

1. Frank Marries a Corpse

The guys help Frank with his cold feet ahead of his wedding to Sam. Dee tries to scare Sam off the nuptials with testimonies from The Waitress, Artemis, and Snail.

Monday · 2 months ago

2. Dennis and Dee Don't Get Rich

The Reynolds twins push themselves to the limit to secure Sam's transfer of wealth. Charlie and Frank plan a proper memorial for Bonnie during the annual Mummers Parade.

Monday · 2 months ago

3. The Gang Gets Tested

Dennis and Dee are diagnosed with ADHD, and even more shocking: Mac isn't. They go back to school for a do-over now that they understand their brains more better.

Monday · 2 months ago

4. 2026: A Virtual Insanity

The Gang's RV breaks down en route to a Jamiroquai concert, leaving them to fend for themselves in a dangerous wasteland of junkies and street people.

Monday · 2 months ago

5. The Gang Goes to the Ren Faire

Mac, Dennis, and Dee strive to conquest their way onto the Quilt of Legends at the local Renaissance Faire. Charlie discovers a love of luting while Frank tries to acquire the faire from old foes.

Monday · 2 months ago

6. The War on Alcohol

The Gang takes the trend against drinking into their own hands. Dennis, Dee, and Frank look to recruit white collar suits for happy hour while Mac and Charlie seek to enlist blue collar factory workers so they can return the bar to the melting pot it once was.

Monday · 1 month ago

7. Gilligan's Island: A Conspiracy Theorist's Paradise

Mac and Charlie drink the proverbial Kool-Aid while trying to uncover the mystery of why 'Gilligan's Island' never made it to 100 episodes.

Monday · 1 month ago

8. Mac and Dennis Tear Their ACLs

After a Christmas card catastrophe, Charlie nurses a bedridden Mac and Dennis and deliberates on which one is the originator of all their ideas. Dee and Frank are tired of being the bottom of the communication ladder and decide to flip the script.

Monday · 1 month ago

9. Frank's Team: A Dark Day for Baseball

In an effort to clean up their image, Paddy's sponsors a local Little League team. But when The Gang spots softness in their franchise, they impose a radical new culture: win no matter what and do whatever it takes to get ahead.

Monday · 1 month ago

10. The Guys Have a Sleepover Finale

Blinded from LASIK surgery, Dee pleads for the guys to spend the night to keep her safe from neighborhood crime, but they listen to the wolves inside themselves and opt for a dudes-only sleepover of their own.

Monday · 4 weeks ago

It's Always Sunny in Philadelphia Season 18 guest stars

  • Artemis Pebdani

    Artemis Pebdani

    Artemis

  • Mary Elizabeth Ellis

    Mary Elizabeth Ellis

    Waitress

  • David Hornsby

    David Hornsby

    Matthew 'Rickety Cricket' Mara

  • Jimmi Simpson

    Jimmi Simpson

    Liam McPoyle

  • Nate Mooney

    Nate Mooney

    Ryan McPoyle

  • Guillermo del Toro

    Guillermo del Toro

    Pappy McPoyle

  • Andrew Friedman

    Andrew Friedman

    Uncle Jack

  • Bob Wiltfong

    Bob Wiltfong

    Chet Wallum

  • Mary Lynn Rajskub

    Mary Lynn Rajskub

    Gail the Snail

  • Sandy Martin

    Sandy Martin

    Mrs. Mac

  • Carol Kane

    Carol Kane

    Sam

  • Craig DiFrancia

    Truck Driver

  • Gregory Scott Cummins

    Gregory Scott Cummins

    Luther McDonald/Donald McDonald

  • Brittany Baker

    Brittany Baker

    Chambray

  • Nate Corddry

    Nate Corddry

    Mortician

  • Sam Li

    Sam Li

    Jie

It's Always Sunny in Philadelphia Season 18 FAQ

When does It's Always Sunny in Philadelphia Season 18 come out?

It's Always Sunny in Philadelphia Season 18 premiered Monday, August 17, 2026 on FXX.

How many episodes are in It's Always Sunny in Philadelphia Season 18?

It's Always Sunny in Philadelphia Season 18 has 10 episodes.

Are new episodes of It's Always Sunny in Philadelphia Season 18 released weekly?

New episodes are released weekly.

When is the It's Always Sunny in Philadelphia Season 18 finale?

The It's Always Sunny in Philadelphia Season 18 finale (Episode 10) aired Monday, October 12, 2026.

How do I get notified when new It's Always Sunny in Philadelphia Season 18 episodes are released?

Download the Streambay app and follow It's Always Sunny in Philadelphia. You'll get a push notification the moment each new episode is out.

Never miss It's Always Sunny in Philadelphia Season 18.

Download Streambay and follow It's Always Sunny in Philadelphia. We’ll notify you the moment Season 18 is released, and as each new episode comes out. It’s free, with no sign-up and no personal information required.

Coming soon to App Store Get it on Google Play