It's Always Sunny in Philadelphia Season 4 Episode 9 Dennis Reynolds: An Erotic Life 2008
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After discovering Dennis' erotic memoir, Mac and Frank attempt to make some money off of it. Meanwhile, Dee and Charlie decide to spend a day in each other's shoes.
- Released: 2008-10-23
- Runtime: 22 minutes
- Genre: Comedy
- Stars: Charlie Day, Glenn Howerton, Rob McElhenney, Kaitlin Olson, Danny DeVito
- Director: Michael Rotenberg, Charlie Day, Glenn Howerton, Rob McElhenney
