20 Best 'It's Always Sunny in Philadelphia' Episodes

We count down the funniest, most WTF misadventures of the Paddy's Pub gang

18. 'The D.E.N.N.I.S. System' (Season 5, Episode 10)

Because he likes to think of himself as a helpful sociopath, Dennis occasionally tries to explain how he's so successful with the ladies, guiding his friends through his foolproof six-part process: Demonstrate value, Engage physically, Nurture dependence, Neglect emotionally, Inspire hope, then Separate entirely. But because Charlie, Mac, and Frank are who they are, each wildly misinterprets and misapplies the advice; soon, the gang ventures out into the real world with reckless confidence and are undone by their own idiocy. Meanwhile, Frank advocates for his own method of seduction: carrying around $100 bills and Magnum condoms, so that women will know he has money and "a monster dong."

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