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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 16h•Peaking at 9.5/10

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
    9.5/10(26 votes)

    #1 - Charlie Work

    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 16 Episode 8 - Dennis Takes a Mental Health Day
    9.3/10(15 votes)

    #2 - Dennis Takes a Mental Health Day

    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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  3. It's Always Sunny in Philadelphia Season 4 Episode 13 - The Nightman Cometh
    9.1/10(37 votes)

    #3 - The Nightman Cometh

    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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  4. It's Always Sunny in Philadelphia Season 8 Episode 10 - Reynolds vs. Reynolds: The Cereal Defense
    9.1/10(21 votes)

    #4 - Reynolds vs. Reynolds: The Cereal Defense

    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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  5. It's Always Sunny in Philadelphia Season 5 Episode 2 - The Gang Hits the Road
    9.0/10(25 votes)

    #5 - The Gang Hits the Road

    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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  6. It's Always Sunny in Philadelphia Season 4 Episode 2 - The Gang Solves the Gas Crisis
    8.9/10(35 votes)

    #6 - The Gang Solves the Gas Crisis

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

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  7. It's Always Sunny in Philadelphia Season 5 Episode 10 - The D.E.N.N.I.S. System
    8.9/10(26 votes)

    #7 - The D.E.N.N.I.S. System

    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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  8. It's Always Sunny in Philadelphia Season 12 Episode 2 - The Gang Goes to a Water Park
    8.9/10(28 votes)

    #8 - The Gang Goes to a Water Park

    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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  9. It's Always Sunny in Philadelphia Season 2 Episode 2 - The Gang Goes Jihad
    8.8/10(32 votes)

    #9 - The Gang Goes Jihad

    S2:E2

    When the gang learns that they are in danger of losing their bar due to a zoning mishap, they resort to some outlandish and extreme methods to prevent that from happening. Meanwhile, Frank isn’t too happy when his wife returns to town.

    Director:Dan Attias
    Writer:Rob Mac

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  10. It's Always Sunny in Philadelphia Season 2 Episode 5 - Hundred Dollar Baby
    8.8/10(29 votes)

    #10 - Hundred Dollar Baby

    S2:E5

    Frank runs into an old adversary at the gym when he begins teaching Dee to box after she was robbed. Hoping to make some extra money on the side, Mac and Dennis make preparations for Charlie to compete in an underground street fighting match.

    Director:Dan Attias
    Writers:Glenn Howerton, Rob Mac, Charlie Day

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  11. It's Always Sunny in Philadelphia Season 3 Episode 2 - The Gang Gets Invincible
    8.8/10(30 votes)

    #11 - The Gang Gets Invincible

    S3:E2

    Mac, Dennis and Dee try out for the Philadelphia Eagles. Also interested in becoming an Eagle is Liam and Ryan McPoyle's brother, Doyle.

    Director:Fred Savage
    Writers:Glenn Howerton, Charlie Day, David Hornsby

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  12. It's Always Sunny in Philadelphia Season 7 Episode 7 - Chardee MacDennis: The Game of Games
    8.8/10(26 votes)

    #12 - Chardee MacDennis: The Game of Games

    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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  13. It's Always Sunny in Philadelphia Season 17 Episode 8 - The Golden Bachelor Live
    8.8/10(8 votes)

    #13 - The Golden Bachelor Live

    S17:E8

    Host Jesse Palmer walks the audience through Frank's journey up until his final rose ceremony in the "Golden Bachelor" finale. But whom will he pick: a young internet celebrity, a confident woman his age, or a familiar face?

    Director:Todd Biermann
    Writers:Rob Mac, Charlie Day

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  14. It's Always Sunny in Philadelphia Season 2 Episode 4 - Mac Bangs Dennis' Mom
    8.7/10(39 votes)

    #14 - Mac Bangs Dennis' Mom

    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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  15. It's Always Sunny in Philadelphia Season 3 Episode 15 - The Gang Dances Their Asses Off
    8.7/10(28 votes)

    #15 - The Gang Dances Their Asses Off

    S3:E15

    In the season finale, Charlie accidentally puts Paddy's up as a prize for a dance marathon, which prompts the gang to enter the competition in order to save their bar.

    Director:Matt Shakman
    Writers:Rob Rosell, David Hornsby, Scott Marder

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  16. It's Always Sunny in Philadelphia Season 6 Episode 3 - The Gang Buys a Boat
    8.7/10(24 votes)

    #16 - The Gang Buys a Boat

    S6:E3

    The gang attempts to find adventure on the sea after they purchase their 'new' boat.

    Director:Randall Einhorn
    Writers:Rob Mac, Charlie Day

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  17. It's Always Sunny in Philadelphia Season 6 Episode 9 - Dee Reynolds: Shaping America's Youth
    8.7/10(20 votes)

    #17 - Dee Reynolds: Shaping America's Youth

    S6:E9

    Motivated by the drama teacher who inspired her, Dee takes a job as a substitute teacher, and exposes her students to the culture of Paddy's with a field trip to see the Gang's take on the Lethal Weapon series: Lethal Weapon 5.

    Director:Matt Shakman
    Writer:David Hornsby

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  18. It's Always Sunny in Philadelphia Season 7 Episode 11 - Thunder Gun Express
    8.7/10(22 votes)

    #18 - Thunder Gun Express

    S7:E11

    Traffic problems as a result of the President's visit to Philadelphia makes it difficult for the gang to see the summer's biggest film, "Thunder Gun Express".

    Director:Matt Shakman
    Writers:Dave Chernin, John Chernin

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  19. It's Always Sunny in Philadelphia Season 8 Episode 4 - Charlie and Dee Find Love
    8.7/10(19 votes)

    #19 - Charlie and Dee Find Love

    S8:E4

    Charlie and Dee become romantically involved with two members of a wealthy family, which arouses jealousy in Mac, Dennis and Frank.

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

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  20. It's Always Sunny in Philadelphia Season 8 Episode 5 - The Gang Gets Analyzed
    8.7/10(18 votes)

    #20 - The Gang Gets Analyzed

    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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  21. It's Always Sunny in Philadelphia Season 8 Episode 9 - The Gang Dines Out
    8.7/10(21 votes)

    #21 - The Gang Dines Out

    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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  22. It's Always Sunny in Philadelphia Season 16 Episode 7 - The Gang Goes Bowling
    8.7/10(10 votes)

    #22 - The Gang Goes Bowling

    S16:E7

    The guys crash Dee's bowling league night and compete in a Battle of the Sexes at a bowling alley owned by the McPoyles. Dee, The Waitress, Artemis, and Gail the Snail versus Dennis, Mac, Charlie, and Frank in a classic match to prove who is better.

    Director:Megan Ganz
    Writers:Glenn Howerton, Rob Mac, Charlie Day

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  23. It's Always Sunny in Philadelphia Season 3 Episode 14 - Bums: Making a Mess All Over the City
    8.6/10(28 votes)

    #23 - Bums: Making a Mess All Over the City

    S3:E14

    Mac and Dee become vigilantes in order to remove the homeless from their neighborhood, while Frank and Dennis impersonate police officers.

    Director:Jerry Levine
    Writers:Charlie Day, David Hornsby

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  24. It's Always Sunny in Philadelphia Season 4 Episode 1 - Mac and Dennis: Manhunters
    8.6/10(30 votes)

    #24 - Mac and Dennis: Manhunters

    S4:E1

    Charlie and Dee have been stealing Frank's delicious meats, so Frank leaves out human meat to get back at them. Driven by their cannibalistic needs, Charlie and Dee go in search of human flesh. Mac and Dennis harass Frank for hunting defenseless animals and think it would be much more badass to hunt something that could fight back ... like a human.

    Director:Fred Savage
    Writers:Charlie Day, Elijah Aron, Jordan Young

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  25. It's Always Sunny in Philadelphia Season 5 Episode 4 - The Gang Gives Frank an Intervention
    8.6/10(27 votes)

    #25 - The Gang Gives Frank an Intervention

    S5:E4

    Frank's behavior is more bizarre than usual---so bizarre that even the gang notice---so they decide to stage an intervention.

    Director:Fred Savage
    Writers:Rob Rosell, Scott Marder

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Best Episodes Summary

"Charlie Work" is the best rated episode of "It's Always Sunny in Philadelphia". It scored 9.5/10 based on 26 votes. Directed by Matt Shakman and written by Glenn Howerton, Rob Mac, Charlie Day, it aired on 2/4/2015. This episode scored 0.2 points higher than the second highest rated, "Dennis Takes a Mental Health Day".