Songs of It's Always Sunny in Philadelphia season 4
13 episodes, 9 songs
- Episode 1Mac and Dennis: Manhunters
- Episode 2The Gang Solves the Gas Crisis1 song
- Episode 3America’s Next Top Paddy’s Billboard Model Contest
- Episode 4Mac’s Banging the Waitress2 songs
- Episode 5Mac and Charlie Die: Part One1 song
- Episode 6Mac and Charlie Die: Part Two2 songs
- Episode 7Who Pooped the Bed?
- Episode 8Paddy’s Pub: The Worst Bar in Philadelphia
- Episode 9Dennis Reynolds: An Erotic Life
- Episode 10Sweet Dee Has a Heart Attack3 songs
- Episode 11The Gang Cracks the Liberty Bell
- Episode 12The Gang Gets Extreme: Home Makeover Edition
- Episode 13The Nightman Cometh
Theme Song
Temptation Sensation (Main Title)
Heinz Kiessling