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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 36mPeaking at 9.7/10

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
    It's Always Sunny in Philadelphia Season 4 Episode 1 - Mac and Dennis: Manhunters
    8.4/10(3871 votes)

    #1 - 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.

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  2. It's Always Sunny in Philadelphia Season 4 Episode 2 - The Gang Solves the Gas Crisis
    9.1/10(5150 votes)

    #2 - 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.

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  3. It's Always Sunny in Philadelphia Season 4 Episode 3 - America’s Next Top Paddy’s Billboard Model Contest
    8.3/10(3215 votes)

    #3 - America’s Next Top Paddy’s Billboard Model Contest

    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.

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  4. It's Always Sunny in Philadelphia Season 4 Episode 4 - Mac’s Banging the Waitress
    8.5/10(3714 votes)

    #4 - Mac’s Banging the Waitress

    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.

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  5. It's Always Sunny in Philadelphia Season 4 Episode 5 - Mac and Charlie Die (1)
    9.0/10(4245 votes)

    #5 - Mac and Charlie Die (1)

    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.

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  6. It's Always Sunny in Philadelphia Season 4 Episode 6 - Mac and Charlie Die (2)
    8.5/10(3726 votes)

    #6 - Mac and Charlie Die (2)

    S4:E6

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

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  8. It's Always Sunny in Philadelphia Season 4 Episode 7 - Who Pooped the Bed?
    8.3/10(4135 votes)

    #7 - Who Pooped the Bed?

    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.

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  9. It's Always Sunny in Philadelphia Season 4 Episode 8 - Paddy’s Pub: The Worst Bar in Philadelphia
    8.5/10(3665 votes)

    #8 - Paddy’s Pub: The Worst Bar in Philadelphia

    S4:E8

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

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  10. It's Always Sunny in Philadelphia Season 4 Episode 9 - Dennis Reynolds: An Erotic Life
    8.1/10(3612 votes)

    #9 - Dennis Reynolds: An Erotic Life

    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.

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  11. It's Always Sunny in Philadelphia Season 4 Episode 10 - Sweet Dee Has a Heart Attack
    9.0/10(4704 votes)

    #10 - Sweet Dee Has a Heart Attack

    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.

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  12. It's Always Sunny in Philadelphia Season 4 Episode 11 - The Gang Cracks the Liberty Bell
    7.6/10(3804 votes)

    #11 - The Gang Cracks the Liberty Bell

    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.

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  13. It's Always Sunny in Philadelphia Season 4 Episode 12 - The Gang Gets Extreme: Home Makeover Edition
    8.3/10(3676 votes)

    #12 - The Gang Gets Extreme: Home Makeover Edition

    S4:E12

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

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  14. It's Always Sunny in Philadelphia Season 4 Episode 13 - The Nightman Cometh
    9.7/10(10237 votes)

    #13 - 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."

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Season 4 Ratings Summary

"Mac and Dennis: Manhunters" is the best rated episode of "It's Always Sunny in Philadelphia" season 4. It scored 8.4/10 based on 3871 votes. Directed by Fred Savage and written by Charlie Day, Elijah Aron, Jordan Young, it aired on 9/18/2008. This episode is rated 0.7 points higher than the second-best, "The Gang Solves the Gas Crisis".