Charlie goes into overdrive when he's notified that the health inspector will be arriving that day. Meanwhile, the rest of the gang is trying to exploit a flaw in the air-miles reward system.

Host Jesse Palmer walks the audience through Frank's journey up until his final rose ceremony in the "Golden Bachelor" finale. But whom will he pick: a young internet celebrity, a confident woman his age, or a familiar face?

After a physical reveals Dennis has high blood pressure, he decides to take a day away from The Gang to de-stress at the beach. But life has other plans, and his day spirals into a string of mishaps until he can no longer contain his rage.

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.

The gang tries to expand their horizons by going on a road trip to the Grand Canyon.

Upon learning that Frank's making a "Hometown Visit" with his Golden Bachelor partners, the Gang rehearses their family dinner to appeal to America.

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.

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

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

When the gang learns that they are in danger of losing their bar due to a zoning mishap, they resort to some outlandish and extreme methods to prevent that from happening. Meanwhile, Frank isn’t too happy when his wife returns to town.

Frank runs into an old adversary at the gym when he begins teaching Dee to box after she was robbed. Hoping to make some extra money on the side, Mac and Dennis make preparations for Charlie to compete in an underground street fighting match.

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".

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

The gang takes a trip to a local waterpark. Dennis takes on a protégé. Frank and Charlie are determined to ride every ride. Mac and Dee get stuck in a tube slide.

Charlie cheers on Frank at a local chess tournament against a Russian grandmaster. Dennis helps Mac and Dee find boyfriends after getting irritated by Mac’s current boyfriend, Johnny.

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

Mac, Dennis and Dee try out for the Philadelphia Eagles. Also interested in becoming an Eagle is Liam and Ryan McPoyle's brother, Doyle.

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 attempts to find adventure on the sea after they purchase their 'new' boat.

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.

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.

The gang plays the most twisted board game ever. Dee and Dennis face Mac, Charlie and Frank.

Frank attempts to win big with an old business associate at a West Virginia dog track; Dennis and Dee lose more than their shirts to gambling addiction; Mac and Charlie learn about a simpler way of life.

Dee gets involved with a famous local rapper who might be mentally challenged, and whose success inspires the rest of the gang to start a band.

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 Philadelphia. Frank sets out with his trusty chainsaw and a doubtful Charlie to find evidence to implicate Mac in the murders. In search of another suspect, Dennis and Dee do a little role-playing in order to help themselves better understand who they might be dealing with.