The gang’s in Dublin where Dennis ends up helping Frank with some of his business’s dirty work. Mac and Charlie learn about their Irish heritage. Dee rushes to the set…

Mac spends a day at the seminary to truly understand what it takes to become a priest. Dennis and Frank plan an elaborate trap to humiliate Charlie’s pen pal. Dee…

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

Frank falls out the window causing him to think it’s 2006, the gang approaches it as a do-over and attempts to fix their past mistakes.

Dennis reveals he has a baby after his Wade Boggs layover in North Dakota and the gang try to help him get out of the jam, but their suggestions border…

A routine trip to a convenience store places the gang in the middle of an armed robbery.

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…

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.

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…

Charlie and Dee become romantically involved with two members of a wealthy family, which arouses jealousy in Mac, Dennis and Frank.

The waitress is getting married, Dee is jealous that she’s beating her to the altar, so she tries to derail the wedding.

Dennis reveals his foolproof system for seducing any woman to the rest of the gang, but they don’t grasp the concept.

In the season finale, Charlie accidentally puts Paddy’s up as a prize for a dance marathon, which prompts the gang to enter the competition in order to save their bar.

The gang agrees to sell Paddys when they get an offer that is too good to refuse, but it forces the bar’s non-partners, Dee and Charlie to find new jobs.

After Mac arrives to the bar with scratches on his neck and exhibiting strange behavior, Frank comes to the conclusion that he is the serial killer terrorizing young women in…

Dennis joins up with an environmentalist group, but his altruistic intentions quickly sour when he’s snubbed by the activists. Dee and Mac decide to raise a baby they find in…

In the season finale, Charlie gets the gang to help him put together a rock opera based on his song “Nightman.”

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…

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

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….

The guys hire Dee’s friend, Terrell to promote the bar. Meanwhile, Charlie tries to prove that he is not a racist.

A girl from Charlie’s past reveals they have a child together. Mac sees the benefits in being a pro-life advocate, while Dennis uses an abortion rally to meet women.

After discovering that he might have cancer, Mac and Dennis attempt to find a woman who will sleep with Charlie. In the midst of their search, Mac falls in love…

Barbara hooks up with Mac to make Frank jealous, which leads to retaliation from Dennis.

After being arrested for arson the gang is sentenced to do community service. Frank makes an effort to connect more with Dennis. Meanwhile, Charlie is also ordered to attend AA…