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It’s Always Sunny in Philadelphia: 5x10
The D.E.N.N.I.S. System
Dennis reveals his foolproof system for seducing any woman to the rest of the gang, but they don’t grasp the concept.
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5 - 1The Gang Exploits the Mortgage Crisis Sep. 17, 2009
5 - 2The Gang Hits the Road Sep. 24, 2009
5 - 3The Great Recession Oct. 01, 2009
5 - 4The Gang Gives Frank an Intervention Oct. 08, 2009
5 - 5The Waitress Is Getting Married Oct. 15, 2009
5 - 6The World Series Defense Oct. 22, 2009
5 - 7The Gang Wrestles for the Troops Oct. 29, 2009
5 - 8Paddy's Pub: Home of the Original Kitten Mittens Nov. 05, 2009
5 - 9Mac and Dennis Break Up Nov. 12, 2009
5 - 10The D.E.N.N.I.S. System Nov. 19, 2009
5 - 11Mac and Charlie Write a Movie Dec. 03, 2009
5 - 12The Gang Reignites the Rivalry Dec. 10, 2009