It's Always Sunny in Philadelphia
Season 5 Episode 10 - The D.E.N.N.I.S. System
8.3 ?
2005
Comedy
Dennis reveals his foolproof system for seducing any woman to the rest of the gang, but they don't grasp the concept.
Episodes in Season 5
1
The Gang Exploits the Mortgage Crisis
22 min
2
The Gang Hits the Road
21 min
3
The Great Recession
21 min
4
The Gang Gives Frank an Intervention
21 min
5
The Waitress Is Getting Married
21 min
6
The World Series Defense
21 min
7
The Gang Wrestles for the Troops
21 min
8
Paddy's Pub: Home of the Original Kitten Mittens
21 min
9
Mac and Dennis Break Up
22 min
10
The D.E.N.N.I.S. System
21 min
NOW PLAYING
11
Mac and Charlie Write a Movie
21 min
12
The Gang Reignites the Rivalry
21 min
