The fifth season of It's Always Sunny in Philadelphia, premiered on FX on September 17, 2009. The season contains 12 episodes and concluded airing on December 10, 2009.

It's Always Sunny in Philadelphia: Season 5 - 12 Episode s

5x1 - The Gang Exploits the Mortgage Crisis
September 17, 2009
Dennis, Mac, and Frank go into real estate, while Dee sets out to be a surrogate for a wealthy couple. Charlie gets into it with an attorney over the law.
5x2 - The Gang Hits the Road
September 24, 2009
The gang tries to expand their horizons by going on a road trip to the Grand Canyon.
5x3 - The Great Recession
October 1, 2009
With a shantytown taking shape outside, Mac and Dennis try to keep Paddy's going in tough times. Meanwhile, Frank and Dee start a family business.
5x4 - The Gang Gives Frank an Intervention
October 8, 2009
Frank's behavior is more bizarre than usual---so bizarre that even the gang notice---so they decide to stage an intervention.
5x5 - The Waitress Is Getting Married
October 15, 2009
The waitress is getting married, Dee is jealous that she's beating her to the altar, so she tries to derail the wedding.
5x6 - The World Series Defense
October 22, 2009
The gang describes the trials and tribulations they went through, during game five of the World Series, in hopes the judge will clear them of all the citations they received.
5x7 - The Gang Wrestles for the Troops
October 29, 2009
The gang puts together a wrestling show for returning troops. Meanwhile, Dee finally meets the soldier that she has been communicating with over the internet.
5x8 - Paddy's Pub: Home of the Original Kitten Mittens
November 5, 2009
The gang decides to expand their business by developing a number of products that they could sell at Paddy's pub.
5x9 - Mac and Dennis Break Up
November 12, 2009
Mac and Dennis decide that they need to spend some time away from each other. Meanwhile, Charlie helps Dee search for her cat.
5x10 - The D.E.N.N.I.S. System
November 19, 2009
Dennis reveals his foolproof system for seducing any woman to the rest of the gang, but they don't grasp the concept.
5x11 - Mac and Charlie Write a Movie
December 3, 2009
When Dee gets a part in the new M. Night Shyamalan film, Mac and Charlie seize a chance to pitch their movie script.
5x12 - The Gang Reignites the Rivalry
December 10, 2009
After being banned for 10 years from a local drinking competition appropriately named "Flipadelphia," the gang tries to reignite their old rivalry with another local bar. Finding that they are in need of some serious practice, the guys head to Dennis' old fraternity house at the University of Pennsylvania to get their game up to speed while Dee hones her skills on her own. Frank wears skinny pants.

Create Your AI Girlfriend💦

It's Always Sunny in Philadelphia - Season 5

It's Always Sunny in Philadelphia: Season 5 - 12 Episode s

5x1 - The Gang Exploits the Mortgage Crisis

5x2 - The Gang Hits the Road

5x3 - The Great Recession

5x4 - The Gang Gives Frank an Intervention

5x5 - The Waitress Is Getting Married

5x6 - The World Series Defense

5x7 - The Gang Wrestles for the Troops

5x8 - Paddy's Pub: Home of the Original Kitten Mittens

5x9 - Mac and Dennis Break Up

5x10 - The D.E.N.N.I.S. System

5x11 - Mac and Charlie Write a Movie

5x12 - The Gang Reignites the Rivalry

It's Always Sunny in Philadelphia: All seasons

S0: Specials

S1: Season 1

S2: Season 2

S3: Season 3

S4: Season 4

S5: Season 5

S6: Season 6

S7: Season 7

S8: Season 8

S9: Season 9

S10: Season 10

S11: Season 11

S12: Season 12

S13: Season 13

S14: Season 14

S15: Season 15

S16: Season 16