Season 18 of It's Always Sunny in Philadelphia premieres on August 18, 2026 on FXX.
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.
- Network: FXX
- Genres: Comedy
- Rating: 8.1/10
- Currently ranked #21 among the most-watched shows
When does It's Always Sunny in Philadelphia season 18 premiere?
It's Always Sunny in Philadelphia returns on August 18, 2026. Networks shift dates often, so the best way to stay accurate is to have the date live in your own calendar — where any change shows up automatically.
Add It's Always Sunny in Philadelphia to your calendar
tvcal publishes a dedicated calendar feed for It's Always Sunny in Philadelphia at:
https://tvcal.app/api/ical/tt0472954
Subscribe in your favorite calendar app:
- Google Calendar: Other calendars → + → From URL → paste the feed URL.
- Apple Calendar (iPhone/Mac): File → New Calendar Subscription → paste the feed URL.
- Outlook: Add calendar → Subscribe from web → paste the feed URL.
Every episode air date — including the premiere — will appear in your calendar and update automatically if the schedule changes.
See every episode of It's Always Sunny in Philadelphia with air dates on the It's Always Sunny in Philadelphia show page.