It's Always Sunny in Philadelphia poster

Season 18

2026 · 10 episodes

Episodes

1Frank Marries a CorpseThe 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.
2Dennis and Dee Don't Get RichThe 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.
3The Gang Gets TestedDennis 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.
42026: A Virtual InsanityThe 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.
5The Gang Goes to the Ren FaireMac, 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.
6The War on AlcoholThe 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.
7Gilligan's Island: A Conspiracy Theorist's ParadiseMac and Charlie drink the proverbial Kool-Aid while trying to uncover the mystery of why 'Gilligan's Island' never made it to 100 episodes.
8Mac and Dennis Tear Their ACLsAfter 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.
9Frank's Team: A Dark Day for BaseballIn 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.
10The Guys Have a SleepoverBlinded 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.