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The Best Episodes of It's Always Sunny in Philadelphia

Every episode of It's Always Sunny in Philadelphia ranked from best to worst. Let's dive into the Best Episodes of It's Always Sunny in Philadelphia!

Binge this in 2d 20h•Peaking at 9.8/10

Four egocentric friends run a neighborhood Irish pub in Philadelphia and try to find their way through the adult world of work and relationships. Unfortunately, their warped views and precarious judgments often lead them to

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Episode Rankings

  1. #1 Fan Favorite
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    It's Always Sunny in Philadelphia Season 10 Episode 4 - Charlie Work
    9.8/10(13888 votes)

    S10:E4

    Charlie goes into overdrive when he's notified that the health inspector will be arriving that day. Meanwhile, the rest of the gang is trying to exploit a flaw in the air-miles reward system.

    Director:Matt Shakman
    Writers:Glenn Howerton, Rob Mac, Charlie Day

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  2. It's Always Sunny in Philadelphia Season 4 Episode 13 - The Nightman Cometh
    9.7/10(11370 votes)

    S4:E13

    In the season finale, Charlie gets the gang to help him put together a rock opera based on his song "Nightman."

    Director:Matt Shakman
    Writers:Glenn Howerton, Rob Mac, Charlie Day

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  3. It's Always Sunny in Philadelphia Season 12 Episode 2 - The Gang Goes to a Water Park
    9.5/10(6920 votes)

    S12:E2

    The gang takes a trip to a local waterpark. Dennis takes on a protégé. Frank and Charlie are determined to ride every ride. Mac and Dee get stuck in a tube slide.

    Director:Matt Shakman
    Writer:Eric Ledgin

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  4. It's Always Sunny in Philadelphia Season 11 Episode 5 - Mac & Dennis Move to the Suburbs
    9.4/10(6670 votes)

    S11:E5

    Mac and Dennis move to the suburbs for cheaper rent but find it hard to adjust.

    Director:Todd Biermann
    Writer:Hunter Covington

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  5. It's Always Sunny in Philadelphia Season 12 Episode 6 - Hero or Hate Crime?
    9.4/10(5979 votes)

    S12:E6

    The gang fight over a lottery ticket and seek out an arbitrator to decide a rightful owner, who also decides if Frank is a hero or hate monger.

    Director:Jamie Babbit
    Writers:Glenn Howerton, Rob Mac, Charlie Day

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  6. It's Always Sunny in Philadelphia Season 5 Episode 10 - The D.E.N.N.I.S. System
    9.3/10(5814 votes)

    S5:E10

    Dennis reveals his foolproof system for seducing any woman to the rest of the gang, but they don't grasp the concept.

    Director:Randall Einhorn
    Writers:Rob Rosell, David Hornsby, Scott Marder

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    The 20 WORST Episodes of It's Always Sunny in Philadelphia

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  7. It's Always Sunny in Philadelphia Season 2 Episode 4 - Mac Bangs Dennis' Mom
    9.2/10(6631 votes)

    S2:E4

    Barbara hooks up with Mac to make Frank jealous, which leads to retaliation from Dennis.

    Director:Dan Attias
    Writers:Glenn Howerton, Charlie Day

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  8. It's Always Sunny in Philadelphia Season 3 Episode 9 - Sweet Dee's Dating a Retarded Person
    9.2/10(6281 votes)

    S3:E9

    Dee gets involved with a famous local rapper who might be mentally challenged, and whose success inspires the rest of the gang to start a band.

    Director:Jerry Levine
    Writers:Glenn Howerton, Rob Rosell, Scott Marder

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  9. It's Always Sunny in Philadelphia Season 6 Episode 13 - A Very Sunny Christmas
    9.2/10(6509 votes)

    S6:E13

    After years of being mistreated by Frank during the holiday season, Dennis and Dee decide to teach him a lesson. Meanwhile, Mac and Charlie reflect on their childhood Christmases, and realize that they were not as joyous and wonderful as they remembered.

    Director:Fred Savage
    Writers:Rob Mac, Charlie Day

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  10. It's Always Sunny in Philadelphia Season 7 Episode 2 - The Gang Goes to the Jersey Shore
    9.2/10(5222 votes)

    S7:E2

    Dee and Dennis take the gang to their favorite childhood vacation spot where things aren't quite how they remember. While Dee and Dennis see the seedy side of the Jersey Shore, Mac, Frank and Charlie have the nights of their lives.

    Director:Matt Shakman
    Writers:Dave Chernin, John Chernin

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  11. It's Always Sunny in Philadelphia Season 7 Episode 7 - Chardee MacDennis: The Game of Games
    9.2/10(5150 votes)

    S7:E7

    The gang plays the most twisted board game ever. Dee and Dennis face Mac, Charlie and Frank.

    Director:Matt Shakman
    Writers:Rob Mac, Charlie Day

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  12. It's Always Sunny in Philadelphia Season 9 Episode 3 - The Gang Tries Desperately to Win an Award
    9.2/10(5286 votes)

    S9:E3

    Tired of failing to be recognized for their years of service in the bar industry, the gang changes their ways to give the patrons what they think they want.

    Director:Richie Keen
    Writer:David Hornsby

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  13. It's Always Sunny in Philadelphia Season 13 Episode 4 - Time's Up for the Gang
    9.2/10(4929 votes)

    S13:E4

    Paddy's has been put on a list of bars that are sexually hostile to women, and the gang must attend a sexual harassment seminar to get off the list.

    Director:Kat Coiro
    Writer:Megan Ganz

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  14. It's Always Sunny in Philadelphia Season 16 Episode 8 - Dennis Takes a Mental Health Day
    9.2/10(3971 votes)

    S16:E8

    After a physical reveals Dennis has high blood pressure, he decides to take a day away from The Gang to de-stress at the beach. But life has other plans, and his day spirals into a string of mishaps until he can no longer contain his rage.

    Director:Heath Cullens
    Writer:Ross Maloney

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  15. It's Always Sunny in Philadelphia Season 4 Episode 2 - The Gang Solves the Gas Crisis
    9.1/10(5512 votes)

    S4:E2

    Charlie, Mac, and Dennis formulate a plan to take advantage of the rising gas prices. By purchasing excess amounts now, they can sell it in the future and profit. As usual, things don't go as planned. Dee is also out to make money when she learns that Bruce is going to give the family fortune to a Muslim cultural center. She and Frank try to stop him and get the cash for themselves.

    Director:Matt Shakman
    Writers:Charlie Day, Lee Sung Jin, Patrick Walsh

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  16. It's Always Sunny in Philadelphia Season 5 Episode 2 - The Gang Hits the Road
    9.1/10(4954 votes)

    S5:E2

    The gang tries to expand their horizons by going on a road trip to the Grand Canyon.

    Director:Fred Savage
    Writers:Glenn Howerton, Charlie Day

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  17. It's Always Sunny in Philadelphia Season 6 Episode 7 - Who Got Dee Pregnant?
    9.1/10(4584 votes)

    S6:E7

    The gang gets a real scare after Dee reveals she's pregnant, forcing the guys to recall their last hazy Halloween party to determine who the father is.

    Director:Randall Einhorn
    Writers:Rob Mac, Charlie Day

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  18. It's Always Sunny in Philadelphia Season 8 Episode 9 - The Gang Dines Out
    9.1/10(4368 votes)

    S8:E9

    Every member of The Gang has something to celebrate at Guigino's, Philly's finest eatery, but when Mac and Dennis' private dinner is interrupted by an unexpected sighting of Frank and Charlie, the in-fighting begins. Dee also turns up at a table for one, and over the course of the night, the "one-ups-manship" soars to new heights.

    Director:Matt Shakman
    Writer:Mehar Sethi

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  19. It's Always Sunny in Philadelphia Season 8 Episode 10 - Reynolds vs. Reynolds: The Cereal Defense
    9.1/10(4209 votes)

    S8:E10

    Court is in session at Paddy's Pub as Frank and Dennis present their cases to the rest of the gang, resulting in a verdict that will change their lives FOREVER... but not really.

    Director:Richie Keen
    Writers:Glenn Howerton, Rob Mac, Charlie Day

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  20. It's Always Sunny in Philadelphia Season 10 Episode 8 - The Gang Goes on Family Fight
    9.1/10(4443 votes)

    S10:E8

    When the gang appears on a nationally broadcasted game show, Dennis does his best to keep the gang’s weirdness under wraps.

    Director:Matt Shakman
    Writers:Glenn Howerton, Rob Mac, Charlie Day

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  21. It's Always Sunny in Philadelphia Season 2 Episode 3 - Dennis and Dee Go on Welfare
    9.0/10(6189 votes)

    S2:E3

    After quitting their job due to Frank's continuing interference, Dennis and Dee decide to seek alternative income by going on welfare. Meanwhile, Mac and Charlie must now bear the consequences of their friends’ departures from the business.

    Director:Dan Attias
    Writer:Rob Mac

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  22. It's Always Sunny in Philadelphia Season 3 Episode 10 - Mac Is a Serial Killer
    9.0/10(5137 votes)

    S3:E10

    After Mac arrives to the bar with scratches on his neck and exhibiting strange behavior, Frank comes to the conclusion that he is the serial killer terrorizing young women in Philadelphia. Frank sets out with his trusty chainsaw and a doubtful Charlie to find evidence to implicate Mac in the murders. In search of another suspect, Dennis and Dee do a little role-playing in order to help themselves better understand who they might be dealing with.

    Director:Jerry Levine
    Writer:David Hornsby

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  23. It's Always Sunny in Philadelphia Season 4 Episode 5 - Mac and Charlie Die (1)
    9.0/10(4581 votes)

    S4:E5

    Part 1 of 2. Mac and Charlie fake their deaths to avoid the wrath of Mac's father who was released from prison and is out for vengeance.

    Directors:Matt Shakman, Fred Savage
    Writers:Glenn Howerton, Rob Mac, Charlie Day

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  24. It's Always Sunny in Philadelphia Season 4 Episode 10 - Sweet Dee Has a Heart Attack
    9.0/10(5077 votes)

    S4:E10

    After Dee suffers a heart attack, she and Dennis try to live a healthier lifestyle. Meanwhile, Charlie and Mac take corporate jobs to get health insurance.

    Director:Matt Shakman
    Writers:Rob Rosell, Scott Marder

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  25. It's Always Sunny in Philadelphia Season 8 Episode 5 - The Gang Gets Analyzed
    9.0/10(4438 votes)

    S8:E5

    The Gang gets Freudian as they step into the therapist's office to work through their mountain of issues, but when Dennis thinks he has everyone figured out, the shrink turns the tables on him and exposes the insanity in his unique brand of pop psychology.

    Director:Todd Biermann
    Writer:Luvh Rakhe

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Best Episodes Summary

"Charlie Work" is the best rated episode of "It's Always Sunny in Philadelphia". It scored 9.8/10 based on 13888 votes. Directed by Matt Shakman and written by Glenn Howerton, Rob Mac, Charlie Day, it aired on 2/4/2015. This episode scored 0.1 points higher than the second highest rated, "The Nightman Cometh".