It’s Always Sunny in Philadelphia Season 18
Created by Rob McElhenney
It's Always Sunny in Philadelphia is an American comedy series about four friends in their late 20s with clear sociopathic tendencies who run an unsuccessful Irish bar, "Paddy's Pub," in South Philadelphia. The series deals with a variety of controversial topics, including abortion, gun control, physical disabilities, racism, sexism, religion, the Israeli/Palestinian situation, terrorism, transsexuality, slavery, incest, sexual harassment in education, the homeless, statutory rape, drug addiction, pedophilia, child abuse, mental illness, gay rights and dumpster babies.
It’s Always Sunny in Philadelphia Season 18 originally premiered on FXX on August 17, 2026. Current US availability is unconfirmed.
It’s Always Sunny in Philadelphia Season 18 originally premiered on FXX on August 17, 2026. Current US availability is unconfirmed.
Where to watch in the US
Current US availability not verified
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Episode guide
Episodes
- 1
Frank Marries a Corpse source at TVmaze
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.
- 2
Dennis and Dee Don't Get Rich source at TVmaze
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.
- 3
The Gang Gets Tested source at TVmaze
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.
- 4
2026: A Virtual Insanity source at TVmaze
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.
- 5
The Gang Goes to the Ren Faire source at TVmaze
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.
- 6
The War on Alcohol source at TVmaze
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.
- 7
Gilligan's Island: A Conspiracy Theorist's Paradise source at TVmaze
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.
- 8
Mac and Dennis Tear Their ACLs source at TVmaze
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.
- 9
Frank's Team: A Dark Day for Baseball source at TVmaze
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.
- 10
The Guys Have a Sleepover source at TVmaze
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.
Cast and crew
- Produced by
- David Hornsby, Glenn Howerton, Matt Shakman, Rob Rosell
About this information
Sources and attribution
Supporting links and attribution for the dates, credits, schedules and watch options shown on this page.
- Cast and crew data
- Season release history
Release dates retain the source wording. Season history records original premieres; availability receipts identify options that can be used now or later.