Still from It's Always Sunny in Philadelphia S4E9
It's Always Sunny in Philadelphia › Season 4

S4 E9: Dennis Reynolds: An Erotic Life

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.

Air dateOct 23, 2008
Runtime23 minutes
TMDB rating★ 8.2/10