Four egocentric friends who run a neighborhood Irish pub in Philadelphia try to find their way through the adult world of work and relationships. Unfortunately, their warped views and precarious judgments often lead them to trouble, creating a myriad of uncomfortable situations that usually only get worse before they get better.
Dennis and Dee's ailing grandfather Pop-Pop is wasting away in the hospital, and they have to decide whether or not to pull the plug. Things get complicated when The Gang learns of Pop-Pop's history as a Nazi, and Mac, Charlie and Frank set off in search of the old man's spoils from the war.
With the garbage men of Philadelphia on strike, Frank concocts a plan to undercut the union and get the contract to collect the city's trash.
The gang make a disturbing discovery after crashing Maureen's wedding.
Charlie and Dee become romantically involved with two members of a wealthy family, which arouses jealousy in Mac, Dennis, and Frank.
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.
Mac, Charlie and Dee struggle with their faith as Charlie's mom fights cancer. Meanwhile, Frank loses his memory amidst a search for buried treasure.
With Charlie under his wing, Frank cleans up so he can get his hands dirty and help out his old company with one last big merger. An unwritten rule of the bar gets the rest of the gang caught up in a case of mistaken identity.
After slipping into an unhealthy obsession with computer games, The Gang wrestles to define the difference between the real and the virtual worlds.
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.
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.
After falling out of the window, Frank thinks that it's 2006. The other three see this as a chance to fix their past mistakes.
Dennis and Frank battle Dee and Mac for control of the mountain, and Charlie learns the rules of the slopes.
Dennis makes a movie spotlighting his erotic memoirs while Frank and Mac try to pass off Charlie as a gifted artist to make money.
Mac and Dennis move to the suburbs for cheaper rent but find it hard to adjust.
Old grievances surface when the Lawyers sues Bill Ponderosa on behalf of Liam McPoyle and his lost eye.
Dennis tries to create an innovative mobile Paddy's pub experience but runs into trouble when customers refuse to cooperate, while Charlie and Mac attempt to catch a thieving leprechaun.
The gang tries to take a vacation from their usual dynamic by going on a cruise, but old habits die hard.
The gang gets real with one another in the face of death.
Mac oversees the gang while they compete to break Wade Boggs’ legendary beer drinking record.
The gang gets into the online dating scene to expand their matchmaking potential.
When Psycho Pete, long lost member of the Freight Train, is released from the mental hospital, Dennis and Dee rush to get him recommitted while Charlie and Mac attempt to restore him to his former hard-partying form.
Charlie directs The Gang in balancing a scheme involving live chickens, steaks and airline miles with a health inspection, in a fast hectic manner.
Mac, Dennis and Dee spy on the fish factory. Frank and Charlie become suspicious.
After another failed venture, the Gang wonders if their group dynamic is bringing them down as individuals, causing them to separate from one another and find out who they really are.
News surfaces about Mac's Dad, Luther, being a murder suspect. Mac goes into full "P.I." mode to clear his father of any wrong doing.
When the gang appears on a nationally broadcasted game show, Dennis does his best to keep the gang’s weirdness under wraps.
After Frank decides he's worked long enough, the rest of the gang strategizes amongst and against each other for control over "Paddy's."
"Asskickers" isn't just a hot new way to work out; it's a way of life...and maybe a cult.
Dee starts to embrace the desperate, self-loathing qualities the guys have beaten into her over the years, sending her stand-up comedy career to unexpected places.
After Frank appears on Local Television advocating gun ownership, the rest of the gang takes a look at the ownership process and alternatives to find a common ground on this still heated issue.
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.
The gang does their best to recoup their investments in questionable schemes by dumping their losses on Ben the soldier while trying to avoid being duped again by whatever mastermind is pulling their strings.
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".
When a routine trip to a convenience store places the gang in the middle of an armed robbery, each of them is forced to explore how they react in extreme situations.
When a severe flu outbreak sweeps through Philadelphia, the gang chooses to voluntarily quarantine themselves inside of Paddy's in an attempt to keep their singing voices pristine for an upcoming singing competition.
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.
After creative differences over what constitutes tasteful nudity cause Frank to pull his money out of "Lethal Weapon 6" during filming, Mac, Dennis, and Charlie screen their rough footage for investors in hopes of raising enough capital to finish the production of their latest masterpiece.
When some bad blood with old foes compromises their ideal Thanksgiving, the gang decides to make amends by breaking bread with those they've hurt.
After an electric heating blanket shorts out while the gang watches the Wiz they look in the mirror and realize they've turned black. They have to figure out how to get back to being themselves by going through all the classic body switch movie shenanigans they encounter.
The gang takes a trip to a local water park, ripe with personal agendas and ulterior motives. Dennis feeds off his mantra of "the park provides" and takes on a protégé. Frank and Charlie are determined to ride every ride by any means necessary and Mac and Dee get stuck in a tube slide for most of the day.
Charlie thinks Mac's mom is holding his mom hostage, so the gang installs spy cameras in their house to monitor what's going on. What they end up discovering is the moms are quite entertaining once Dennis makes some quick edits and adds a laugh track to the surveillance footage. Dee wants in on the new hit show, and Frank becomes obsessed with banging Charlie's mom now that he's seen her on TV.
Franks Fluids LLC is in big trouble after a news segment shows Wolf Cola has become the official drink of Boko Haram. Dee and Dennis help with the PR nightmare while Charlie and Mac work on a scheme to make Fight Milk the official drink of the UFC.
A cat-woman, AKA Maureen Ponderosa, is found dead in an alley and Dennis becomes the main suspect.
The gang fight over a lottery ticket and seek out an arbitrator to decide a rightful owner, who also decides if Frank is a hero or hate monger.
Dee dates a male stripper and tries to prove her worth after learning she's his "rock bottom." Elsewhere, Mac and Frank get sucked into a VR war game, leading Mac to develop a case of PTSD.
It's Valentine's Day and Paddy's is packed. Dennis tries to get the gang to do one single day of work, but they are more interested in a mystery crate in the alley.
We get to see a typical day in Cricket's world and then a possible redemption when his family intervenes. Will Cricket finally move on from the gang, finding love in the process? Will Cricket go from filthy beast to his former self, Matthew Mara?
With Frank intent on marrying a prostitute, The Gang tries to make the best of it by attempting an image makeover to uncover the heart of gold that exists deep inside Frank’s “pretty woman.”
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.
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.
Dee faces an IRS audit over her claim that the baby she carried as a surrogate is her dependent, while the guys decide to run the bar in an unemotional, democratic manner rather than their typical method of shouting and personal attacks.
When Frank's long lost brother Gino shows up at the bar, the two of them tell the gang about the jazz club they ran in the 1960s and 70s, and how they fell out over Shadynasty, a singer who was the love of both of their lives.
As a hurricane threatens Philadelphia, Mac, Dennis and Charlie go to a mall to buy supplies and check out the large breasted TV reporter broadcasting from there, while Frank and Dee prepare Paddy's, and its basement bunker, for the storm.
The gang plays the most twisted board game ever. Dee and Dennis face Mac, Charlie and Frank.
The gang uses the Internet to cyber-stalk their prey. Frank tries to drum up business for Paddy's with a viral video.
The Gang's plan to "extract" an "artifact" from a residence is jeopardized when the owners turn out to be home. Having not been noticed on the way in, they must make a plan to get the same result for the way out.
Step inside the confession booth with Mac as he tells a befuddled priest why his fatness is the fault of the other members of The Gang.
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".
The gang have much to prove when they attend their high-school reunion. They meet old friends and make new foes as they stroll down memory lane.
The gang come up with a new plan to buff their tarnished high-school reputations at their reunion.
Rejected from a pool club, Mac and Charlie set out fix an abandoned pool to help cope with the Philly heat wave. Meanwhile, Dennis and Dee go about dealing with the heat in a different way.
Mac's mother is left homeless after she burns down her house, which leaves Charlie and Mac with no choice but to make new living arrangements; when Dee feels under the weather, Frank tries to muster his paternal instincts to care for her.
The gang gets a real scare after Dee reveals she's pregnant, forcing the guys to recall their last hazy Halloween party to determine who the father is.
A blast from the past prompts the guys to expand membership, and Dee to re-consider her future.
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.
Keeping the basement rodent-free drives Charlie to the brink. The gang throws Charlie a surprise party.
En route to Atlantic City for a charity event, Mac, Frank and Dee get lost. Meanwhile, Dennis and Charlie hitch a ride to town.
Dee's blessed event is fast approaching but the father's identity remains a mystery---to the gang, at least. So they throw a party and invite all of Dee's former flings.
After years of being mistreated by Frank during the holiday season, Dennis and Dee decide to teach him a lesson. Meanwhile, Mac and Charlie reflect on their childhood Christmases, and realize that they were not as joyous and wonderful as they remembered.
The gang attempts to find adventure on the sea after they purchase their 'new' boat.
Mac finally gets his big break after correctly answering a trivia question on the radio. While Frank, Dennis, and Dee take their bar-banter to the internet with their own podcast.
Mac defends traditional marriage, while the rest of the gang reaps the rewards of wedded bliss.
Marital bliss turns into business, as the gang experiences the emotional and economic hardships of divorce.
When Dee gets a part in the new M. Night Shyamalan film, Mac and Charlie seize a chance to pitch their movie script.
After being banned for 10 years from a local drinking competition appropriately named "Flipadelphia," the gang tries to reignite their old rivalry with another local bar. Finding that they are in need of some serious practice, the guys head to Dennis' old fraternity house at the University of Pennsylvania to get their game up to speed while Dee hones her skills on her own. Frank wears skinny pants.
Mac and Dennis decide that they need to spend some time away from each other. Meanwhile, Charlie helps Dee search for her cat.
Dennis reveals his foolproof system for seducing any woman to the rest of the gang, but they don't grasp the concept.
The gang decides to expand their business by developing a number of products that they could sell at Paddy's pub.
The gang describes the trials and tribulations they went through, during game five of the World Series, in hopes the judge will clear them of all the citations they received.
The gang puts together a wrestling show for returning troops. Meanwhile, Dee finally meets the soldier that she has been communicating with over the internet.
Frank's behavior is more bizarre than usual---so bizarre that even the gang notice---so they decide to stage an intervention.
The waitress is getting married, Dee is jealous that she's beating her to the altar, so she tries to derail the wedding.
The gang tries to expand their horizons by going on a road trip to the Grand Canyon.
With a shantytown taking shape outside, Mac and Dennis try to keep Paddy's going in tough times. Meanwhile, Frank and Dee start a family business.
Dennis, Mac, and Frank go into real estate, while Dee sets out to be a surrogate for a wealthy couple. Charlie gets into it with an attorney over the law.
Hoping to make their own dreams come true, the gang sets out to give an unexpected family an extreme home makeover.
In the season finale, Charlie gets the gang to help him put together a rock opera based on his song "Nightman."
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.
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.
A newspaper critic is kidnapped by the gang after he calls Paddy's pub the worst bar in Philadelphia.
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.