The D.E.N.N.I.S. System (S05E10)
S05E10
Dennis shares his seemingly perfect method for charming any woman with the gang, but they struggle to understand his approach.
Show
It's Always Sunny in Philadelphia
Episode
S05E10
Air Date
Nov 19, 2009
Season 5 Episodes
S05E01
The Gang Exploits the Mortgage Crisis
S05E02
The Gang Hits the Road
S05E03
The Great Recession
S05E04
The Gang Gives Frank an Intervention
S05E05
The Waitress Is Getting Married
S05E06
The World Series Defense
S05E07
The Gang Wrestles for the Troops
S05E08
Paddy's Pub: Home of the Original Kitten Mittens
S05E09
Mac and Dennis Break Up
S05E10
The D.E.N.N.I.S. System
S05E11
Mac and Charlie Write a Movie
S05E12
The Gang Reignites the Rivalry