It's Always Sunny in Philadelphia Season 5 Episode 10
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.
Guest Stars
Mary Elizabeth Ellis
Waitress
Jill Latiano Howerton
Caylee
Price Carson
Carney Boss
Brad Carter
Carney
Mae LaBorde
Gladys