Mac and Dee decide to raise a baby they find in the dumpster. Dennis talks some trash while going green and befriending radical environmentalist groups, while Charlie and Frank go dumpster-diving.

When the Philadelphia Eagles have open tryouts, Dennis, Mac, and Dee all try out. And while watching the tryouts, Frank and Charlie find out that the Mcboyles are their too. Being that Frank needs to use the restroom, he must use the Mcboyles bathroom but first needs to take some of their milk to get in, which seems not to be only milk. Written by James Hake

After Dennis and Dee's gold-digging mother dies from a botched plastic-surgery operation, Dee and Frank scheme to get their name in the will, while Dennis inherits the house and makes plans for a party mansion.

Charlie, Mac, Dennis and Dee are held hostage in the bar by a revenge-seeking Liam McPoyle along with his dim-witted brother, Ryan, and his ugly, deaf and dumb cousin, Margaret, who subject the nihilistic quartet to various torture and mind games, while Frank hides out in the air ducts while searching for a will to a relative of his and decides to take matters in his own hands to end the hostage situation. Written by Anonymous

Dee discovers that her old high school friend Fatty McGoo, the only girl in school who was a bigger loser than she was, is now a successful fashion designer. She and Dennis compete to create dress designs while Frank and Mac open a sweatshop to manufacture Dennis' dresses. Written by Bruno Antony

As they prepare for the annual Pub Crawl, the gang is horrified to learn that they face competition from a new Korean bar run by the eccentric Mr. Kim. While Charlie romances a girl who works at the bar, the others attempt to sabotage its business. Written by Bruno Antony

When the gang gets an offer that a corporate company wants to buy Paddy's Pub, they accept leaving Dee and Charlie with no work. While looking for work, Dee runs into the waitress at a restaurant and gets a job working with her which doesn't work out so good, and at the same time Charlie gets a job as a janitor at a school. Written by James Hake

In their quest to become famous, Frank, Charlie, and Mac, search for newsworthy footage to air on public access.

While Dennis and Dee try to figure out if the rapper Dee is dating has a mental handicap or not, Charlie, Mac, and Frank try to start their own band without knowledge of how to play musical instruments.

When a serial killer is loose in Philadelphia who targets blonde white women, the gang all tries to figure it out. So Dennis and Dee notice that Mac is visiting an unknown apartment everyday and suspect it to be him. So they decide to find out who the serial killer is by doing various experiments. Written by James Hake

Dennis is angry because he's being mistaken for a fat guy rather than the sex offender who moved next door to Charlie. Meanwhile, Mac's father is released from prison and he and Mac have some catching up to do.

After stumbling upon a kilo of cocaine, the gang is forced to pay off a $25,000 debt to the mob. Mac becomes a mob informant, while Frank pimps out Dennis as an escort at the local country club. Charlie stumbles upon an opportunity to sell illegal narcotics. Written by halo1k

While paying off their debt to the mob, Charlie and Dee try to find a way to make fake cocaine in order to fool them, while Dennis ranks in thousands of dollars being pimped out at the local country club. Mac realizes his position as a mob informant isn't being utilized to its full potential. Written by halo1k

Since there has been bums hanging around Paddys Pub, the gang tries to get rid of this problem. To do this they go to the police but end up getting a police car and start to impersonate police. While doing this they discover all the good treatment they get so they decide to keep this act up, but problems arise. Written by James Hake

After Charlie accidentally puts Paddy's Pub up for 1st prize in a local dance competition, Frank makes the gang participate in the contest. Here, they form alliances and try to cheat the other contestants, as well as themselves, out of first place. Written by halo1k