TV Episodes The Best Episodes of It's Always Sunny in Philadelphia  

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There are so many funny episodes of It's Always Sunny in Philadelphia, but which ones really stand out? Do you like "Charlie's Work" the best, or is "The Gang Gets Invisible" the funniest episode of It's Always Sunny in Philadelphia? To determine once and for all what the best episodes of It's Always Sunny in Philadelphia are, let's rank every It's Always Sunny in Philadelphia episode from best to worst.

It's Always Sunny in Philadelphia on FX stars Charlie Day, Glenn Howerton, Rob McElhenny, Kaitlin Olson, and Danny DeVito. The sitcom series follows the group friends who run Paddy's Pub in South Philadelphia. With season 13 and 14, It's Always Sunny in Philadelphia is set to tie for the longest-running live-action sitcom ever in American television (The Adventures of Ozzie and Harriet).

Vote up your favorite episodes of It's Always Sunny in Philadelphia, and downvote any bad episodes that you really didn't enjoy, despite how much you love the series as a whole. It can be painful to put one It's Always Sunny episode over the other when there are so many good ones, which is why you can vote on however many episodes you like. It doesn't matter if you're a believer of the D.E.N.N.I.S System, or worship at the alter of Pepe Silvia - just vote up your favorite episodes and don't be a jabroni.

1
47 11
The Nightman Cometh is listed (or ranked) 1 on the list The Best Episodes of It's Always Sunny in Philadelphia
The Nightman Cometh Season 4 Episode 13: Charlie, with the help of the rest of the gang, stages a rock opera based on his song "Nightman."

2
35 9
Charlie Work is listed (or ranked) 2 on the list The Best Episodes of It's Always Sunny in Philadelphia
Charlie Work Season 10 Episode 4: When a surprise health inspection falls on the same day as one of the gang's less hygienic schemes, Charlie tries to keep the gang working together to make sure Paddy's makes the grade.

3
30 8
Dennis And Dee Go On Welfare is listed (or ranked) 3 on the list The Best Episodes of It's Always Sunny in Philadelphia
Dennis And Dee Go On Welfare Season 2 Episode 3: Dennis and Dee get out of the bar business.

4
31 9
The Gang Solves the Gas Crisis is listed (or ranked) 4 on the list The Best Episodes of It's Always Sunny in Philadelphia
The Gang Solves the Gas Crisis Season 4 Episode 2: Mac, Dennis, and Charlie take advantage of rising gas prices by investing in barrels of gasoline and selling them door to door. Dee and Frank decide to expose Bruce Mathis as a terrorist leader when they find out that he plans to give their money to a Muslim community center.

5
24 4
Mac & Dennis Move To The Subur... is listed (or ranked) 5 on the list The Best Episodes of It's Always Sunny in Philadelphia
Mac & Dennis Move To The Suburbs Season 11 Episode 5: Mac and Dennis move to the suburbs for the cheap rent and open spaces but learn they may be meant for city life.

6
32 11
The Gang Goes to a Water Park is listed (or ranked) 6 on the list The Best Episodes of It's Always Sunny in Philadelphia
The Gang Goes to a Water Park Season 12 Episode 2: The gang takes a trip to a local waterpark, ripe with personal agendas and ulterior motives.

7
32 12
The D.E.N.N.I.S. System is listed (or ranked) 7 on the list The Best Episodes of It's Always Sunny in Philadelphia
The D.E.N.N.I.S. System Season 5 Episode 10: Dennis reveals his full proof system for seducing any woman to the rest of the gang, but none of them can seem to grasp it.

8
22 4
The Gang Gives Frank an Interv... is listed (or ranked) 8 on the list The Best Episodes of It's Always Sunny in Philadelphia
The Gang Gives Frank an Intervention Season 5 Episode 4: When Frank's reckless lifestyle becomes an inconvenience for the gang, they call for an intervention.

9
28 9
The Gang Buys a Boat is listed (or ranked) 9 on the list The Best Episodes of It's Always Sunny in Philadelphia
The Gang Buys a Boat Season 6 Episode 3: The gang attempts to open themselves up to the adventures of the sea after they purchase their 'new' boat.

10
29 10
Chardee MacDennis: The Game of... is listed (or ranked) 10 on the list The Best Episodes of It's Always Sunny in Philadelphia
Chardee MacDennis: The Game of Games Season 7 Episode 7: What's The Gang to do on a rainy day but play the most twisted (and self-made) board game ever. Dee and Dennis square off against Mac, Charlie and Frank in this battle of wits, wild cards and wine.

11
24 6
The Gang Gets Invincible is listed (or ranked) 11 on the list The Best Episodes of It's Always Sunny in Philadelphia
The Gang Gets Invincible Season 3 Episode 2: When the Philadelphia Eagles hold open try-outs a la the movie 'Invincible,' Mac, Dennis, and Dee use the event for their own personal competition, while Frank and Charlie tailgate the try-outs and have an altercation with the McPoyles.

12
21 4
Paddy's Pub: Home of the O... is listed (or ranked) 12 on the list The Best Episodes of It's Always Sunny in Philadelphia
Paddy's Pub: Home of the Original Kitten Mittens Season 5 Episode 8: When a merchandising convention comes to town, the gang tries to develop marketable products in an attempt to build the Paddy's brand.

The Creepiest Dennis Moments From ‘It's Always Sunny In Philadelphia’

13
27 10
Dee is Dating a Retarded Perso... is listed (or ranked) 13 on the list The Best Episodes of It's Always Sunny in Philadelphia
Dee is Dating a Retarded Person Season 3 Episode 9: Dee may finally find true love when she dates a famous local rapper, who may or may not be mentally retarded. Inspired by the success of Dee’s mentally challenged boyfriend, Mac, Dennis, Charlie, and Frank decide to start their own band.

14
22 7
Reynolds vs. Reynolds: The Cer... is listed (or ranked) 14 on the list The Best Episodes of It's Always Sunny in Philadelphia
Reynolds vs. Reynolds: The Cereal Defense Season 8 Episode 10: 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.

15
24 9
The Gang Tries Desperately to ... is listed (or ranked) 15 on the list The Best Episodes of It's Always Sunny in Philadelphia
The Gang Tries Desperately to Win an Award Season 9 Episode 3: 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.

16
20 6
The Gang Goes to the Jersey Sh... is listed (or ranked) 16 on the list The Best Episodes of It's Always Sunny in Philadelphia
The Gang Goes to the Jersey Shore Season 7 Episode 2: 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.

17
20 6
Mac & Charlie Die Pt 1 is listed (or ranked) 17 on the list The Best Episodes of It's Always Sunny in Philadelphia
Mac & Charlie Die Pt 1 Season 4 Episode 5: After Mac's father is released from prison, Mac and Charlie stage their own deaths to save their lives. Frank, Dee, and Dennis find unique ways of dealing with the loss.

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18
21 7
The Gang Hits the Road is listed (or ranked) 18 on the list The Best Episodes of It's Always Sunny in Philadelphia
The Gang Hits the Road Season 5 Episode 2: The gang attempts to expand their horizons by taking a road trip to the Grand Canyon.

19
18 5
The Gang Beats Boggs is listed (or ranked) 19 on the list The Best Episodes of It's Always Sunny in Philadelphia
The Gang Beats Boggs Season 10 Episode 1: Mac oversees the gang while they compete to break Wade Boggs’ legendary beer drinking record.

20
21 8
Who Got Dee Pregnant is listed (or ranked) 20 on the list The Best Episodes of It's Always Sunny in Philadelphia
Who Got Dee Pregnant Season 6 Episode 7: The gang gets a real 'scare' after Dee reveals she's pregnant, forcing the guys to recall their last hazy Halloween Party to determine if one of them might be the father.

21
17 5
Frank Sets Sweet Dee on Fire is listed (or ranked) 21 on the list The Best Episodes of It's Always Sunny in Philadelphia
Frank Sets Sweet Dee on Fire Season 3 Episode 8: The gang tries to become local celebrities by creating their own public access news show and making it big on the hip club scene.

22
19 7
Mac Day is listed (or ranked) 22 on the list The Best Episodes of It's Always Sunny in Philadelphia
Mac Day Season 9 Episode 5: Everyone in the gang gets a day to do what they want while everyone else in the gang must participate willingly. This is Mac's Day...and its got twice the "Mac".

The Best Re-Casting of Famous TV Roles

23
15 4
Charlie Goes America All Over ... is listed (or ranked) 23 on the list The Best Episodes of It's Always Sunny in Philadelphia
Charlie Goes America All Over Everybody's Ass Season 2 Episode 9: The pros and cons of freedom.

24
16 6
The Gang Dances Their Asses Of... is listed (or ranked) 24 on the list The Best Episodes of It's Always Sunny in Philadelphia
The Gang Dances Their Asses Off Season 3 Episode 15: Charlie inadvertently puts Paddy's up as the grand prize in a dance marathon, and the gang is forced to enter the competition to save their bar from The Waitress and Father Mara, who will do anything to win the bar.

25
16 6
The Gang Gets Analyzed is listed (or ranked) 25 on the list The Best Episodes of It's Always Sunny in Philadelphia
The Gang Gets Analyzed Season 8 Episode 5: The Gang gets Freudian as they step into the therapist's office to work through their mountain of issues.

26
16 6
Dee Has A Heart Attack is listed (or ranked) 26 on the list The Best Episodes of It's Always Sunny in Philadelphia
Dee Has A Heart Attack Season 4 Episode 10: After Dee suffers a heart attack, she and Dennis try to live a healthier lifestyle. Charlie and Mac join the corporate work force to get health insurance.

27
16 6
Mac & Dennis Break Up is listed (or ranked) 27 on the list The Best Episodes of It's Always Sunny in Philadelphia
Mac & Dennis Break Up Season 5 Episode 9: Relationships are put to the test when Mac and Dennis decide to spend some time apart.

31 Times You've Seen The Walking Dead Actors Before

28
18 8
The Gang Gets Quarantined is listed (or ranked) 28 on the list The Best Episodes of It's Always Sunny in Philadelphia
The Gang Gets Quarantined Season 9 Episode 7: When a severe flu outbreak sweeps Philadelphia the gang voluntarily quarantine themselves inside of Paddy's.

29
12 3
Mac and Charlie: White Trash is listed (or ranked) 29 on the list The Best Episodes of It's Always Sunny in Philadelphia
Mac and Charlie: White Trash Season 6 Episode 5: After getting denied from the local pool club, Mac and Charlie aim to fix up an abandoned pool in order to beat the heat wave. Meanwhile, Dennis and Dee try to beat the heat in a more 'dignified' and 'upper-class' way.

30
14 5
The Gang Reignites the Rivalry is listed (or ranked) 30 on the list The Best Episodes of It's Always Sunny in Philadelphia
The Gang Reignites the Rivalry Season 5 Episode 12: After serving a ten year ban, the Paddy's team is once again eligible to compete in Flipadelphia - a city wide flip cup tournament. Now all they have to do is instigate their old rivals, who have since grown up.

31
15 6
World Series Defense is listed (or ranked) 31 on the list The Best Episodes of It's Always Sunny in Philadelphia
World Series Defense Season 5 Episode 6: The gang explains to a judge the trials and tribulations they encountered during game 5 of the 2008 World Series in hopes that it will clear them of a sizable parking citation that they received in the process.

32
15 6
Mac is a Serial Killer is listed (or ranked) 32 on the list The Best Episodes of It's Always Sunny in Philadelphia
Mac is a Serial Killer Season 3 Episode 10: Mac's unusual behavior leads Frank, Dennis, and Dee to suspect that he's the serial killer on the loose in Philly.

The 17 Greatest Simpsons Religion Jokes

33
16 7
America?s Next Top Paddy?s Bil... is listed (or ranked) 33 on the list The Best Episodes of It's Always Sunny in Philadelphia
America?s Next Top Paddy?s Billboard Model Contest Season 4 Episode 3: After investing in a billboard, Frank and Mac judge a competition to find Paddy's next top model.

34
17 8
Underage Drinking: A National ... is listed (or ranked) 34 on the list The Best Episodes of It's Always Sunny in Philadelphia
Underage Drinking: A National Concern Season 1 Episode 3: The gang relives their high school years.

35
19 10
The Gang Finds a Dumpster Baby is listed (or ranked) 35 on the list The Best Episodes of It's Always Sunny in Philadelphia
The Gang Finds a Dumpster Baby Season 3 Episode 1: Dennis joins up with an environmentalist group but his altruistic intentions quickly sour when he's snubbed by the activists.

36
11 3
The Gang Exploits the Mortgage... is listed (or ranked) 36 on the list The Best Episodes of It's Always Sunny in Philadelphia
The Gang Exploits the Mortgage Crisis Season 5 Episode 1: While Frank, Mac, and Dennis try their hand at real estate, Dee arranges to be a surrogate mother to a wealthy couple with a sweet house. All the while, Charlie faces off with a lawyer on the intricacies of the judicial system.

37
12 4
Thunder Gun Express is listed (or ranked) 37 on the list The Best Episodes of It's Always Sunny in Philadelphia
Thunder Gun Express Season 7 Episode 11: The gang will do whatever it takes to see the hottest action movie of the summer, "Thunder Gun Express," before it leaves the theaters.

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38
12 4
Charlie Rules the World is listed (or ranked) 38 on the list The Best Episodes of It's Always Sunny in Philadelphia
Charlie Rules the World Season 8 Episode 8: After slipping into an unhealthy obsession with computer games, The Gang wrestles to define the difference between the real and the virtual worlds.

39
12 4
Mac & Dennis: Manhunters is listed (or ranked) 39 on the list The Best Episodes of It's Always Sunny in Philadelphia
Mac & Dennis: Manhunters Season 4 Episode 1: After Dee and Charlie mistakenly eat some of Frank's human meat, they develop an unsatisfiable cannibalistic hunger. Meanwhile, Mac and Dennis take hunting for sport to the next level when they set their sights on Rickety Cricket

40
12 4
The Gang Wrestles for the Troo... is listed (or ranked) 40 on the list The Best Episodes of It's Always Sunny in Philadelphia
The Gang Wrestles for the Troops Season 5 Episode 7: There's nothing more American than wrestling.

41
12 4
Paddy's Pub: The Worst Bar... is listed (or ranked) 41 on the list The Best Episodes of It's Always Sunny in Philadelphia
Paddy's Pub: The Worst Bar in Philadelphia Season 4 Episode 8: When a reporter for the Philadelphia Inquirer writes a review naming Paddy's "the worst bar in Philadelphia," the gang kidnaps the man in an effort to change his mind.

42
13 5
The Great Recession is listed (or ranked) 42 on the list The Best Episodes of It's Always Sunny in Philadelphia
The Great Recession Season 5 Episode 3: While Mac and Dennis try to keep Paddy's afloat in these tough economic times, Frank partners up with Dee to start a family business. All the while, a shanty town of newly poor people is forming outside the bar.

The Best Supporting Characters on Always Sunny

43
13 5
The Gang Dines Out is listed (or ranked) 43 on the list The Best Episodes of It's Always Sunny in Philadelphia
The Gang Dines Out Season 8 Episode 9: Every member of The Gang has something to celebrate at Guigino's, Philly's finest eatery.

44
14 6
Chardee MacDennis 2: Electric ... is listed (or ranked) 44 on the list The Best Episodes of It's Always Sunny in Philadelphia
Chardee MacDennis 2: Electric Boogaloo Season 11 Episode 1: The gang agrees to a truce while demonstrating Chardee MacDennis for an interested board game executive, but the nature of the game quickly sends things off the rails.

45
15 7
Mac & Charlie Die Pt 2 is listed (or ranked) 45 on the list The Best Episodes of It's Always Sunny in Philadelphia
Mac & Charlie Die Pt 2 Season 4 Episode 6: After Mac's father is released from prison, Mac and Charlie stage their own deaths to save their lives. Frank, Dee, and Dennis find unique ways of dealing with the loss.

46
16 8
Mac Bangs Dennis' Mom is listed (or ranked) 46 on the list The Best Episodes of It's Always Sunny in Philadelphia
Mac Bangs Dennis' Mom Season 2 Episode 4: The gang uses the threat of sex for their own selfish purposes.

47
16 8
Charlie Kelly: King of the Rat... is listed (or ranked) 47 on the list The Best Episodes of It's Always Sunny in Philadelphia
Charlie Kelly: King of the Rats Season 6 Episode 10: When keeping the basement rodent-free drives Charlie to the brink, the gang decides to put the cynicism aside and throw a surprise party to cheer him up.

48
16 8
The Gang Goes Jihad is listed (or ranked) 48 on the list The Best Episodes of It's Always Sunny in Philadelphia
The Gang Goes Jihad Season 2 Episode 2: The gang uses unorthodox measures the save their bar.

49
17 9
The Gang Goes On Family Fight is listed (or ranked) 49 on the list The Best Episodes of It's Always Sunny in Philadelphia
The Gang Goes On Family Fight Season 10 Episode 8: When the gang appears on a nationally broadcasted game show, Dennis does his best to keep the gang's weirdness under wraps.

50
10 3
Flowers for Charlie is listed (or ranked) 50 on the list The Best Episodes of It's Always Sunny in Philadelphia
Flowers for Charlie Season 9 Episode 8: When an experiment successfully multiplies Charlie's intellect and takes him away from the bar, the rest of the gang find themselves struggling to complete the menial 'Charlie Work' that has kept the bar running for so long.