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It’s Always Sunny in Philadelphia: Season4 | Episode13
The Nightman Cometh
In the season finale, Charlie gets the gang to help him put together a rock opera based on his song “Nightman.”
S4 - E1Mac and Dennis: Manhunters Sep. 18, 2008
S4 - E2The Gang Solves the Gas Crisis Sep. 18, 2008
S4 - E3America’s Next Top Paddy’s Billboard Model Contest Sep. 25, 2008
S4 - E4Mac’s Banging the Waitress Sep. 25, 2008
S4 - E5Mac and Charlie Die: Part One Oct. 02, 2008
S4 - E6Mac and Charlie Die: Part Two Oct. 02, 2008
S4 - E7Who Pooped the Bed? Oct. 09, 2008
S4 - E8Paddy’s Pub: The Worst Bar in Philadelphia Oct. 16, 2008
S4 - E9Dennis Reynolds: An Erotic Life Oct. 23, 2008
S4 - E10Sweet Dee Has a Heart Attack Oct. 30, 2008
S4 - E11The Gang Cracks the Liberty Bell Nov. 06, 2008
S4 - E12The Gang Gets Extreme: Home Makeover Edition Nov. 13, 2008
S4 - E13The Nightman Cometh Nov. 20, 2008