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The Best Episodes of It's Always Sunny in Philadelphia Season 4

Every episode of It's Always Sunny in Philadelphia Season 4 ranked from best to worst. Discover the Best Episodes of It's Always Sunny in Philadelphia Season 4!

Binge this in 4h 36m·Peaking at 9.7/10
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Episode Rankings

  1. #1 Fan Favorite
    It's Always Sunny in Philadelphia Season 4 Episode 13 - The Nightman Cometh
    9.7/10(11386 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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  2. It's Always Sunny in Philadelphia Season 4 Episode 2 - The Gang Solves the Gas Crisis
    9.1/10(5521 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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  3. It's Always Sunny in Philadelphia Season 4 Episode 5 - Mac and Charlie Die (1)
    9.0/10(4592 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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  4. It's Always Sunny in Philadelphia Season 4 Episode 10 - Sweet Dee Has a Heart Attack
    9.0/10(5089 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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  5. It's Always Sunny in Philadelphia Season 4 Episode 4 - Mac’s Banging the Waitress
    8.5/10(4004 votes)

    S4:E4

    Charlie finds out that the waitress has been seeing someone. He calls on Mac, his so-called best friend, to find out more information about the guy and to beat him up. However, it turns out that Mac is the guy the waitress has supposedly been seeing. Dennis, heartbroken that he's not Charlie's best friend, tries to win him over.

    Director:Matt Shakman
    Writer:David Hornsby

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  6. It's Always Sunny in Philadelphia Season 4 Episode 6 - Mac and Charlie Die (2)
    8.5/10(4018 votes)

    S4:E6

    Part 2 of 2. Dennis, Frank, and Dee find unique ways of coping with the apparent loss of their friends.

    Director:Fred Savage
    Writers:Glenn Howerton, Rob Mac, Charlie Day

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  7. It's Always Sunny in Philadelphia Season 4 Episode 8 - Paddy’s Pub: The Worst Bar in Philadelphia
    8.5/10(3957 votes)

    S4:E8

    A newspaper critic is kidnapped by the gang after he calls Paddy's pub the worst bar in Philadelphia.

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

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  8. It's Always Sunny in Philadelphia Season 4 Episode 1 - Mac and Dennis: Manhunters
    8.4/10(4161 votes)

    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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  9. It's Always Sunny in Philadelphia Season 4 Episode 3 - America’s Next Top Paddy’s Billboard Model Contest
    8.3/10(3448 votes)

    S4:E3

    Due to the gang's latest "business expenses," Paddy's is in dire need of money. Frank buys a billboard to advertise the bar, but Dee decides to create a viral video to post on YouTube for promotion. Charlie quickly joins her, leaving Frank and Mac to hold a contest for some hot models to feature on the billboard. Naturally, Dennis joins the competition to prove his worth.

    Director:Fred Savage
    Writers:Rob Mac, Charlie Day, Adam Stein

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  10. It's Always Sunny in Philadelphia Season 4 Episode 7 - Who Pooped the Bed?
    8.3/10(4455 votes)

    S4:E7

    Charlie and Frank awake to find poop in their bed. Neither will confess to being the owner, so they, Mac, and Dennis try to scientifically deduce who dropped the deuce. Dee wants to do something a bit more sophisticated, so she invites the waitress and Artemis to a girls' night out.

    Director:Fred Savage
    Writers:Rob Mac, Rob Rosell, Scott Marder

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  11. It's Always Sunny in Philadelphia Season 4 Episode 12 - The Gang Gets Extreme: Home Makeover Edition
    8.3/10(3977 votes)

    S4:E12

    Hoping to make their own dreams come true, the gang sets out to give an unexpected family an extreme home makeover.

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

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  12. It's Always Sunny in Philadelphia Season 4 Episode 9 - Dennis Reynolds: An Erotic Life
    8.1/10(3906 votes)

    S4:E9

    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.

    Director:Fred Savage
    Writers:Glenn Howerton, Rob Rosell, Scott Marder

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  13. It's Always Sunny in Philadelphia Season 4 Episode 11 - The Gang Cracks the Liberty Bell
    7.6/10(4126 votes)

    S4:E11

    The gang fudge history by claiming that Paddy's Pub was responsible for cracking the Liberty Bell in an attempt to turn their dive into a Philadelphia landmark.

    Director:Matt Shakman
    Writers:Glenn Howerton, Rob Mac, David Hornsby

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Season 4 Ratings Summary

"The Nightman Cometh" is the best rated episode of It's Always Sunny in Philadelphia season 4. It scored 9.7/10 from 11,386 votes. Directed by Matt Shakman and written by Glenn Howerton, Rob Mac, Charlie Day, it aired on November 20, 2008. This episode is rated 0.6 points higher than the second-best, "The Gang Solves the Gas Crisis".