Season Four of It's Always Sunny in Philadelphia premiered on September 18, 2008.
Episodes
| # |
#
|
Title
|
|
|
Airdate
|
|
|
|
| 33 |
1
|
Mac and Dennis: Manhunters
|
|
|
September 18, 2008
|
|
|
|
| 34 |
2
|
The Gang Solves the Gas Crisis
|
|
|
September 18, 2008
|
|
|
|
| 35 |
3
|
America's Next Top Paddy's Billboard Model Contest
|
|
|
September 25, 2008
|
|
|
|
| 36 |
4
|
Mac's Banging the Waitress
|
|
|
September 25, 2008
|
|
|
|
| 37 |
5
|
Mac and Charlie Die (1)
|
|
|
October 2, 2008
|
|
|
|
| 38 |
6
|
Mac and Charlie Die (2)
|
|
|
October 2, 2008
|
|
|
|
| 39 |
7
|
Who Pooped the Bed?
|
|
|
October 9, 2008
|
|
|
|
| 40 |
8
|
Paddy’s Pub: The Worst Bar in Philadelphia
|
|
|
October 16, 2008
|
|
|
|
| 41 |
9
|
Dennis Reynolds: An Erotic Life
|
|
|
October 23, 2008
|
|
|
|
| 42 |
10
|
Sweet Dee Has a Heart Attack
|
|
|
October 30, 2008
|
|
|
|
| 43 |
11
|
The Gang Cracks the Liberty Bell
|
|
|
November 6, 2008
|
|
|
|
| 44 |
12
|
The Gang Gets Extreme: Home Makeover Edition
|
|
|
November 13, 2008
|
|
|
|
| 45 |
13
|
The Nightman Cometh
|
|
|
November 20, 2008
|
|
|
|
