When the guys notice that business has been less than stellar, they hire Dee's friend Terrell to promote the bar. Thanks to his tactics, Paddy's is quickly transformed into one of the hottest bars in Philly—one of the hottest gay bars, that is. While Dennis and Dee bartend, Mac and Charlie try to find black friends to prove they're not racist.
A woman from Charlie's past returns to tell him that he's the father of her ten-year-old son. Charlie agrees to spend some time with the bratty kid, with the sole intention of taking him to get a paternity test. The appearance of the child brings up the topic of abortion, and Mac tries to learn more about the issue. He meets a pro-life protester named Megan, whom he tries to impress by pretending to be very interested in the cause.
The gang opens up their bar to teenagers once they realize how much money can be made serving minors. The influx of high school students makes them think back to their own schooldays. Charlie, Mac, and Dee were losers in school and can't help but hang out with the teenagers who now accept them. Dennis thinks they're pathetic for doing so, but he soon finds himself being blackmailed by a student into going to the prom.
When Mac and Dennis learn that Charlie has cancer, they attempt to find a woman so that he can get laid one last time. Mac suggests asking Carmen, a good-looking woman he has seen at the bar. Though she may be hot, she's actually a transsexual. The guys then decide to go after the woman Charlie has been pursuing: the waitress. However, they'll need help from Dee, who is in over her head trying to single-handedly run the bar.
After the bar gets robbed, Mac and Dennis buy a gun to prevent another crime. The police do not offer much help in finding the perpetrator, but Mac and Dennis become suspicious of Dee's new boyfriend, Colin. Meanwhile, Charlie must contend with a frustrated landlord who is demanding overdue rent payment.
Mac and Dee open the bar and find a man who died overnight sitting at a booth. His granddaughter, Rebecca, comes to see where he spent his final night. Mac and Dennis try to impress her by claiming to have known her grandfather very well. All of this brings to surface Dee's horrible fear of the elderly, so she and Charlie visit her Pop-Pop in his nursing home as a final solution to the problem.
Mac and Charlie's high school gym teacher has just been accused of molesting students in the past. The gang notices Charlie's strange reaction to the news, and they conclude that he was also one of the victims. Mac feels insulted that he was not molested and goes to confront the teacher. Dennis and Dee try to help Charlie cope with the situation, but they have different ideas about how to approach the situation.
The surprise return of Dennis and Dee's estranged father causes Dennis to accidentally run over Charlie. With his legs now broken, Charlie must use a wheelchair. He soon realizes that being crippled isn't so bad and takes advantage of the situation. Once Mac, Dennis, and Dee see the benefits, they all pretend to be handicapped as well.
The gang learns that they are about to lose their bar because their new Israeli neighbor purchased the land that Paddy's sits on and is forcing them to evacuate. To stop this from happening, they must resort to a series of extreme methods in order to keep their bar.
Dennis and Dee are fed up with their father taking over the bar and leave the business to go and pursue their dream careers. In order to buy more time, they decide to go on welfare but accidentally become crack addicts in the process. Meanwhile, Mac and Charlie try to fill the void that Dennis and Dee left. They take advantage of the work-for-welfare program so that they won't have to pay their new employees.
In order to get out of doing the grunt work at the bar, Dennis devises a plan to blackmail Charlie. However, when Mac reveals that Dennis' mom tried to have sex with him, Charlie sees this as a way to get back at Dennis. Dee then gets involved when she goes to Charlie requesting her old job back. And so begins an elaborate series of backstabbing and double-crossing, with Charlie as the mastermind behind it all.
After getting ditched in an alley with a mugger, Dee begins taking boxing lessons with Frank to learn self-defense. Tired of getting pushed around at the gym, she turns to steroids for help. Mac and Dennis insist that learning fighting techniques is useless in the real world. Once they see how much money can be made in an underground fighting match, they sign Charlie up as a fighter and train him to withstand constant beatings.
The gang must perform community service for blowing up a building. Mac, Dennis, and Dee get stuck coaching two kids' basketball teams, which Frank sees as a gambling opportunity. In addition to interstate sanitation, Charlie must attend Alcoholics Anonymous. It is there that he runs into the coffee shop waitress, and she decides to be his sponsor—a decision she'll soon regret.
The gang finds a water stain on the wall that resembles the Virgin Mary and use it as a way to bring in more money to the bar. It also brings in an old high school classmate of theirs who is now a priest. Frank wants him to bless the stain, so they send Dee to seduce him. Mac, however, wants nothing to do with any of this, until he realizes he can change people's lives by blessing them.
The gang decides to have Dennis run for office with the intention of dropping out and collecting the bribe money. Mac manages to solicit a bribe, but this gets him in trouble when Dennis decides he doesn't want to withdraw from the race. Frank, angry that Charlie took over as campaign manager, joins forces with Dee to try and take down Dennis.
After a debate about constitutional rights and whether smoking should be banned in the bar, Mac, Dennis, and Frank lift all rules to uphold the American principle of freedom. This turns the bar into a place where anything goes. Charlie and Dee, disagreeing with this decision, leave and get involved with anti-smoking demonstrations.
Dee is contacted by a man claiming to be her biological father, so she and Dennis confront their parents about it. Barbara admits to having an affair and reveals that Frank isn't their real father. While Dennis and Dee spend time with their new dad, Mac and Charlie wish they had a father figure of their own, so they visit Mac's father in jail with the intention of bonding with him.
In the series' third season premiere, the gang discovers an abandoned baby in a dumpster. Mac and Dee decide to try and get rich off of him by breaking him into show business. Meanwhile, Dennis takes an interest in environmental activism, while Frank and Charlie discover how many treasures can be found lying around in the garbage.
The Philadelphia Eagles are holding tryouts for the public, and Mac and Dennis use this as an opportunity to prove who the better football player is. Dee joins the competition, determined to outplay both of them. Charlie and Frank also get in on the events by tailgating the tryouts. Unfortunately, their plans are disrupted by the McPoyles, who are there to support their brother.
Dennis and Dee's mother has died. And now for the bad news: she left all of the money to Bruce, Dennis and Dee's philanthropist father. She also left ownership of her house to Dennis. He, along with Mac and Charlie, decide to use it as a "party mansion." However, the three soon realize that they have no other friends and search for some new guys to hang out with. Dee and Frank received nothing from the will, so they come up with a plan to trick Bruce into giving them his inherited money.
The gang is held hostage when the McPoyle siblings barge into the pub with guns and demands. They begin to form alliances and try and figure out the best way to get themselves out of the situation. However, all of them prove to be disloyal friends who have no problem stabbing one another in the back. While all of this is happening, Frank is stuck crawling through the vents of the pub in search of his will that's hidden somewhere up there.
Dee learns that Ingrid, a fellow loser from high school, is now slimmed down and successful. Inspired by Dee's childhood dreams of having her own clothing line, Ingrid now runs her own clothing store. Not wanting to be outdone by "Fatty Magoo," Dee designs a dress and employs Charlie to sew the prototype. This draws the attention of Dennis, who draws up his own fashion plans. Frank and Mac start a sweatshop to manufacture Dennis' designs to sell to Ingrid, whose disinterest in purchasing them is ignored.
It's time for the annual pub crawl, and Paddy's holds the coveted spot as the final stop of the night. Well, it did until a Korean restaurant decides to sign up for the event. The gang must ensure that they give their customers a better experience than the Koreans can give, including a better microbrew and a better talent competition.
A corporate rep offers the guys a large amount of money for their precious pub. Naturally, they give in without much hesitation and try to push the deal even further by setting some more demands. While the guys look to gain a bit, non-partner Dee has now lost her job and must find a new place to work.
Mac and Charlie, certain that they can create better, more honest news stories than what's currently being broadcast, go out in search of stories to report on. Frank joins them, while Dennis and Dee argue that people want news about celebrities and stardom instead of real-life upsets. The two then try to become famous themselves by hanging out at the dance club in hopes of catching people's attention.
Dee's new boyfriend, Lil' Kev, is a local rap celebrity. He's also retarded, according to Dennis. Mac figures that if a retarded person can become a famous musician, what's stopping them from doing the same thing? He, Charlie, and Frank form their own band in hopes of becoming local celebrities, though creative differences could disarray the band's state of cohesion. Meanwhile, Dee tries to figure out her boyfriend's state of mind.
Mac's strange and mysterious behavior just happens to coincide with a string of recent murders. Frank concludes that Mac must be the serial killer and wants to torture a confession out of him, preferably with a chainsaw. Charlie uses his knowledge from Law & Order to protect Mac and tries to convince Frank that Mac is not the killer. Dennis and Dee try to find the real culprit by thinking and acting like serial killers.
A nearby prison has just released some of its inmates due to overcrowding. This becomes problematic for Dennis, who looks exactly like one of the ex-cons. Another one of the released prisoners is Mac's dad, Luther. This is an exciting time for Mac, who desperately wants to bond with his father and have the childhood he never got to experience. While Mac tries to bring his parents back together, Charlie tries to break his parents apart when Frank leaves him for Charlie's mother.
The gang discovers a bag of cocaine hidden inside some speakers found on the street. They collectively decide that the most logical thing to do is to sell the drugs. However, the drugs belong to the mob, who demands they return them at once or pay the money they're worth. With the drugs already sold for a very measly sum, the guys must resort to the lowest means possible to get the money. Unfortunately, Frank refuses to pay the difference, so the gang attempts more drug-selling in addition to prostitution.
The gang continues to try and earn enough money to pay back what they owe the mob. Charlie and Dee go back to selling drugs and run into an old friend to help them out. Dennis, with Frank's guidance, maintains his role as a male escort. Mac, after being abandoned by the rest of the guys, goes to the mob in hopes of being accepted as a member of their group.
Masturbating bums have become a problem. Mac and Dee turn to a neighborhood crime watch group for help in cleaning up the streets but find they're going to have to take matter's into their own hands. Frank, Dennis, and Charlie are less concerned with the entire neighborhood and look for a junkyard dog to keep undesirables away from the bar. They happen upon an old police car and take to impersonating cops.
Charlie signs the bar up to host a dance marathon hosted by a popular radio station. However, he mistakenly submits the bar as the grand prize. Now the gang must, well, dance their asses off in order to win the contest and keep the bar. This won't be an easy feat once they realize that some people they've screwed over in the past show up, determined to outlast the gang.
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.
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.
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.
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.
Mac's father is being released from prison, and since Mac and Charlie are the ones who accidentally sent him there, they're certain he's going to come after them. In order to save themselves, they decide to fake their own deaths. Meanwhile, Dennis, Dee, and Frank discover a glory hole in the bar's restroom.
Mac and Charlie continue pretending to be dead in order to avoid a run-in with Mac's father. The rest of the gang tries to deal with their deaths. Dee, however, is not easily fooled and insists that they're really alive somewhere. Dennis hunts for new roommates to fill the void. Frank finds a new friend to replace Charlie.
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.
A newspaper critic trashes the gang in his latest review and refers to Paddy's as the worst bar in Philly. They confront him in an attempt to rectify themselves, but his rudeness sends Charlie off the deep end. Overcome by anger, he kidnaps the critic. Dennis and Dee try to cover up Charlie's tracks but end up making things even more complicated.
Dennis comes across an old book he wrote containing his sexual adventures, and Mac and Frank urge him to sell the book for profit. However, many of the stories in the memoir are untrue, so they send Dennis to recreate some of them. Meanwhile, Charlie and Dee argue about being misunderstood by each other, so they each spend a day in the other person's shoes to gain some perspective.
When Dee's heart attack puts her in the hospital, she and Dennis learn that their father canceled their health insurance policy. The two decide to get in shape to stay healthy. Charlie and Mac, who are also without insurance, get jobs in a company's mail room to take advantage of the benefits. Frank returns from the hospital with a bunch of prescribed pills, which he foolishly takes all at once.
In order to attract more business, the gang visits the Historical Society to get Paddy's certified as an historical landmark. They claim that the bar played a significant role in the cracking of the Liberty Bell and proceed to tell the story, going back to the year 1776 to do so.
The gang realizes that in order to get rewarded, they need to build up good karma by helping other people. Following the premise of Extreme Makeover: Home Edition, they decide to renovate the home of Charlie's Mexican neighbors. Charlie, Dennis, and Frank handle the physical labor of the project while Mac and Dee take care of Americanizing the confused family.
In an attempt to impress the waitress, Charlie writes a musical to be performed at a local theater. The rest of the gang is recruited to star in the play, including Mac as the Nightman, Dennis as the Dayman, Dee as the coffee shop princess, and Frank as the troll. Unbeknown to them, Charlie has a special finale in mind starring himself.
Frank takes advantage of the terrible market and buys a house for little money, expecting to be able to profit from it once the economy improves. However, he and the rest of the guys are surprised to find the family still living there. Dee, also in search of some easy money, decides to become a surrogate mother.
The gang decides to go on a road trip to the Grand Canyon. Despite Charlie's fear of leaving Philly and attempts to ditch Dee, they push on, but find themselves making very little progress in their trek.
To keep Paddy's going in the tough economic times, Mac and Dennis form a business model that leaves Charlie jobless. Frank, having lost all of his money, goes into business himself with Dee in tow.
Frank's drunken antics, including his attempts to bang his ex-wife's sister, are really cramping the gang's fun and plot to stage an intervention.
Dee discovers that the waitress is going to get married (and to her old boyfriend, to boot). While she attempts to kill the wedding by driving a wedge between the two, Mac and Dennis try to redirect Charlie's attention to other women for fear that he'll go postal if he finds out about the marriage.
The gang recollects the events they endured during Game 5 of the World Series, all to contest Dennis's series of parking violations.
The guys decide to rouse some classic patriotism by putting on a wrestling show for the troops.
Meanwhile, Dee meets the soldier she's been chatting online with.
Mac and Dennis go up against Frank to produce merchandise for Paddy's. The attorney gets harassed by Charlie trying to patent his kitten mittens and Dee for breach of contract after her contract is eaten.
Mac and Dennis feel they've been spending too much together and take a break. Mac stays at Frank and Charlie's and seems to be improving their lives. Dennis, meanwhile, annoys Dee who's trying to get a cat from inside the wall.
Dennis reveals his concrete system for seducing women. While the guys have their own methods, Dee is paranoid that her boyfriend Ben is using the D.E.N.N.I.S. system on her.
After learning that Dee has a role in a new M. Night Shyamalan movie, Mac and Charlie decide to put their storytelling talents to use by writing a script to pitch.
Once a ban on them has been lifted for a drinking game dubbed Flipadelphia, the gang takes the opportunity to put fuel on an old rivalry. While Dee practices to get perfect, the guys try to recruit a replacement from Dennis's old fraternity.
Mac finds out that Carmen, the transsexual, has recently gotten married. Because she used to be a man, he accuses her husband of being a homosexual and tries to convince everyone that gay marriage is immoral. Frank and Charlie, however, learn that a domestic partnership might have some perks for them. All the talk of marriage makes Dennis reunite with his high school girlfriend.
Dennis wants a divorce, but Maureen won't go down without a fight. Dee upsets Bill's marriage. As arguments erupt, Charlie and Frank start to rethink their union.
Using the money from their lucrative side business, the gang decides to buy a boat.
Mac manages to win a radio hockey trivia contest and gets the chance to win a trip. All he has to do is make a shot from center ice, so he and Charlie start the training. Dennis, Dee, and Frank think they can do better than the radio commentators and start their own podcast.
After getting kicked out of an exclusive swim club, Mac and Charlie attempt to fix up an abandoned pool that they used to enjoy as children. Frank, Dennis, and Dee try to enjoy the services at a public pool.
After Mac's mom burns her house down and with a lonely Mrs. Kelly annoying Charlie, Dennis cures both problems by proposing the two mothers live together.
Meanwhile, Frank, worried that Dee won't take care of him when he's older, plants the seed by trying to take care of her now.
Dee reveals she's pregnant, but the gang doesn't care... until she tells them that one of them is the father. The guys try to recollect the last Halloween party to figure out who knocked up Dee.
After unearthing a time capsule, the gang hooks up with an old friend. However, Charlie is still hostile to Schmitty and splits.
Dee, meanwhile, is disappointed that she's still not a successful actor and returns to her old acting teacher.
Dee gets a job as a substitute acting teacher and promises her class a field trip. As a popular janitor at the same school, Charlie takes a student under his wing.
Meanwhile, Dennis, Frank, and Mac debate the ethics of blackface for their Lethal Weapon 5 movie.
Believing that Charlie has been down as of late, the gang decides to put their selfishness aside for once and plot a surprise birthday party for him. The only problem is that this means that they have to think about someone other than themselves.
En route to an animal rights event, the gang crashes the car and are stranded out in the middle of the woods.
Charlie and Dennis go looking for help where Charlie learns to opens up to the possibilities of saying yes to new adventures.
Meanwhile, Frank, Dee, and Mac are left to find food while learning the majesty of animals.
Dee is ready to deliver her baby. The guys leave Dennis to stay with Dee, as they try to snuff out the father from a collection of suspects.
It's Christmastime, but Dee and Dennis aren't in the spirit. Yet again, Frank has bought what they wanted for himself. Hoping to put a stop to his cruelty, they attempt to change him a la A Christmas Carol.
Meanwhile, Charlie and Mac stroll down memory lane, but discover that their Christmas past wasn't as magical as they thought.
Season 7 premiere: Frank wants to marry a prostitute and the gang can't talk him out of it. While Dee sets out to burnish the hooker's heart of gold, Charlie takes a different tack: He tries to set Frank up with another woman. Meanwhile, Mac has put on a lot of weight. "I'm cultivating mass," he tells Dennis.
Dee and Dennis take the gang to their favorite childhood vacation spot on the Jersey Shore. Things aren't quite as they remember them. Still, Mac, Frank and Charlie have the times of their lives; Dee and Dennis not so much.
Frank finds himself in the child beauty-pageant business and fears that people might think that he's in it for the wrong reasons. Meanwhile, Dee wages war on stage moms; and Mac, Dennis and Charlie think they have found a contestant to back.
While Dee tries to weasel her way out of an IRS audit, the guys set up a new (and, they say, democratic) way of running Paddy's.
Frank's long-lost brother shows up unexpectedly and spills family secrets.
It's not always sunny in Philadelphia: An apocalyptic storm is bearing down on the City of Brotherly Love, and everyone's in panic mode—except for Frank.
Another rainy day in Philadelphia. The gang can't go out and play, so they stay indoors and play a board game of their own devising. (It doesn't much resemble Chutes and Ladders). They also drink.
While Dennis and Charlie track down an annoying Paddy's patron the old-fashioned way, Dee and Mac cyberstalk him. Frank is online as well, trying to boost business at the bar. Things go viral, and not in a good way for Frank.
The gang sneak into a residence to "extract" an "artifact," only to discover that someone is home. Uh-oh.
Mac claims that his gang mates made him fat. (Or so he says to a priest who's hearing his confession.)
A presidential visit to Philadelphia causes traffic jams, frustrating the gang's effort to see the summer's hottest action movie, "Thunder Gun Express." So the gang takes action— "Thunder Gun"-style action—to get to the theater.
The gang have much to prove when they attend their high-school reunion. They meet old friends and make new foes as they stroll—make that trip—down memory lane.
Conclusion. In the Season 7 finale, the gang come up with a new plan to buff their tarnished high-school reputations at their high-school reunion.