It's Always Sunny in Philadelphia
S5 · E10 — The D.E.N.N.I.S. System
S5:E10 · The D.E.N.N.I.S. System
12 episodes in this season
The Gang Exploits the Mortgage Crisis
22 min
The Gang Hits the Road
21 min
The Great Recession
The Gang Gives Frank an Intervention
The Waitress Is Getting Married
The World Series Defense
The Gang Wrestles for the Troops
Paddy's Pub: Home of the Original Kitten Mittens
Mac and Dennis Break Up
The D.E.N.N.I.S. System
Mac and Charlie Write a Movie
The Gang Reignites the Rivalry
