Dennis reveals his foolproof system for seducing any woman to the rest of the gang, but they don't grasp the concept.
| Title | It's Always Sunny in Philadelphia - Season 5 Episode 10 : The D.E.N.N.I.S. System |
|---|---|
| Alternative Titles | 酒吧五杰, It’s Always Sunny, Always Sunny, FX's Sunny |
| Subtitle Available |
 ETC.
|
| First Air Date | 2005-08-04 |
| Last Air Date | 2025-08-20 |
| Number of Episodes | 177 |
| Number of Seasons | 17 |
| Genres | Comedy, |
| Networks | FX, FXX, |
| Casts | Charlie Day, Glenn Howerton, Rob Mac, Kaitlin Olson, Danny DeVito |
| Plot Keywords | , |
Episodes List
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It's Always Sunny in Philadelphia Season 5 :Episode 1 The Gang Exploits the Mortgage Crisis The Gang Exploits the Mortgage Crisis
2009-09-17Four egocentric friends run a neighborhood Irish pub in Philadelphia and try to find their way through the adult world of work and relationships....
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It's Always Sunny in Philadelphia Season 5 :Episode 2 The Gang Hits the Road The Gang Hits the Road
2009-09-24Four egocentric friends run a neighborhood Irish pub in Philadelphia and try to find their way through the adult world of work and relationships....
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It's Always Sunny in Philadelphia Season 5 :Episode 3 The Great Recession The Great Recession
2009-10-01Four egocentric friends run a neighborhood Irish pub in Philadelphia and try to find their way through the adult world of work and relationships....
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It's Always Sunny in Philadelphia Season 5 :Episode 4 The Gang Gives Frank an Intervention The Gang Gives Frank an Intervention
2009-10-08Four egocentric friends run a neighborhood Irish pub in Philadelphia and try to find their way through the adult world of work and relationships....
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It's Always Sunny in Philadelphia Season 5 :Episode 5 The Waitress Is Getting Married The Waitress Is Getting Married
2009-10-15Four egocentric friends run a neighborhood Irish pub in Philadelphia and try to find their way through the adult world of work and relationships....
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It's Always Sunny in Philadelphia Season 5 :Episode 6 The World Series Defense The World Series Defense
2009-10-22Four egocentric friends run a neighborhood Irish pub in Philadelphia and try to find their way through the adult world of work and relationships....
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It's Always Sunny in Philadelphia Season 5 :Episode 7 The Gang Wrestles for the Troops The Gang Wrestles for the Troops
2009-10-29Four egocentric friends run a neighborhood Irish pub in Philadelphia and try to find their way through the adult world of work and relationships....
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It's Always Sunny in Philadelphia Season 5 :Episode 8 Paddy's Pub: Home of the Original Kitten Mittens Paddy's Pub: Home of the Original Kitten Mittens
2009-11-05Four egocentric friends run a neighborhood Irish pub in Philadelphia and try to find their way through the adult world of work and relationships....
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It's Always Sunny in Philadelphia Season 5 :Episode 9 Mac and Dennis Break Up Mac and Dennis Break Up
2009-11-12Four egocentric friends run a neighborhood Irish pub in Philadelphia and try to find their way through the adult world of work and relationships....
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It's Always Sunny in Philadelphia Season 5 :Episode 10 The D.E.N.N.I.S. System The D.E.N.N.I.S. System
2009-11-19Four egocentric friends run a neighborhood Irish pub in Philadelphia and try to find their way through the adult world of work and relationships....
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It's Always Sunny in Philadelphia Season 5 :Episode 11 Mac and Charlie Write a Movie Mac and Charlie Write a Movie
2009-12-03Four egocentric friends run a neighborhood Irish pub in Philadelphia and try to find their way through the adult world of work and relationships....
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It's Always Sunny in Philadelphia Season 5 :Episode 12 The Gang Reignites the Rivalry The Gang Reignites the Rivalry
2009-12-10Four egocentric friends run a neighborhood Irish pub in Philadelphia and try to find their way through the adult world of work and relationships....
