It's Always Sunny in Philadelphia: Season 4
This season started on September 18, 2008. The table lists episodes with recorded air dates up to September 28, 2026.
| Ep | Title and air date | My place |
|---|---|---|
| 1 | Mac and Dennis: Manhunters · 21 min | |
| 2 | The Gang Solves the Gas Crisis · 22 min | |
| 3 | America’s Next Top Paddy’s Billboard Model Contest · 21 min | |
| 4 | Mac’s Banging the Waitress · 21 min | |
| 5 | Mac and Charlie Die (1) · 21 min | |
| 6 | Mac and Charlie Die (2) · 21 min | |
| 7 | Who Pooped the Bed? · 21 min | |
| 8 | Paddy’s Pub: The Worst Bar in Philadelphia · 21 min | |
| 9 | Dennis Reynolds: An Erotic Life · 23 min | |
| 10 | Sweet Dee Has a Heart Attack · 21 min | |
| 11 | The Gang Cracks the Liberty Bell · 21 min | |
| 12 | The Gang Gets Extreme: Home Makeover Edition · 21 min | |
| 13 | The Nightman Cometh · 21 min |
