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It's Always Sunny in Philadelphia S4E9 poster

Watch It's Always Sunny in Philadelphia – Season 4 Episode 9: Dennis Reynolds: An Erotic Life

It's Always Sunny in Philadelphia • Season 4, Episode 9 • 23 min • 2005 • ⭐ 8.3/10 • Comedy

Cast: Rob Mac , Charlie Day , Glenn Howerton , Kaitlin Olson , Danny DeVito

Directors: Rob Mac

Watch It's Always Sunny in Philadelphia – S4E9

Episode Overview

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.

Episode Navigation

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More Episodes from Season 4

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S4E1 • 21m
Mac and Dennis: Manhunters
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The Gang Solves the Gas Crisis
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Mac’s Banging the Waitress
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Mac and Charlie Die (1)
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Mac and Charlie Die (2)
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Who Pooped the Bed?
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Paddy’s Pub: The Worst Bar in Philadelphia
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S4E10 • 21m
Sweet Dee Has a Heart Attack
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The Gang Cracks the Liberty Bell
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S4E12 • 21m
The Gang Gets Extreme: Home Makeover Edition
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S4E13 • 21m
The Nightman Cometh

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