Top 25 Best IASIP Episodes

Dee discovers that the waitress Charlie is obsessed with is getting married to her ex-boyfriend and plots to derail the wedding, while Mac, Frank and Dennis try to get Charlie back on the dating scene.

While Mac, Dennis, and Charlie use their classic setup to sell gallons of gasoline door to door, Frank subjects Dee to a series of torture and mind games when he suspects that Dee is trying to kill him while the two plot to steal their inheritance from Bruce Mathis.

Charlie stages a rock opera based on his song "Nightman," and recruits the rest of the gang to help him with it.

Taking Dee's advice seriously, Mac and Dennis decide that they're too co-dependent on each other and need to spend time apart. Meanwhile Charlie and Frank help Dee out with a major cat problem in her apartment.

The gang attempts to open themselves up to the adventures of the sea after they purchase their new boat.

Inspired by Indiana Jones, Dennis, Dee, and Frank sneak into a house supposed to contain a rare vase, but become trapped when the owners return home early.

The gang attempts to win the award for Philidelphia's Best Bar.

When Frank accidentally hits Dennis's car while Dennis is eating cereal, Frank and Dennis go to the Paddy's Pub court to face off on who will pay for the damages.

After Dee suffers a heart attack, she and Dennis try a healthier lifestyle. Charlie and Mac join the corporate work force to get health insurance.

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 a severe flu outbreak sweeps Philadelphia the gang voluntarily quarantine themselves inside of Paddy's.

The gang try to beat a record set by Wade Boggs of 70 beers on a cross-country flight.

Dennis and Mac head to the suburbs for cheap rent and open spaces but quickly find out that they are meant for city life.

After Mac wins a radio contest to score a goal on the Flyers' ice, he and Charlie train for the event - badly, while Dennis and Dee start their own radio program.

Dennis presents his fool-proof plan for picking up chicks, but soon finds that the gang each has their own fool-proof plans for one-upping each other.

While Frank buys a foreclosed house with intentions of selling it for profit, Mac and Dennis become hot-headed real estate brokers, and Dee takes advantage of a suburban couple looking to hire a surrogate mother.

The gang attempts to create a merchandising angle for Paddy's when a convention comes to Philly.

Under threat of a hostile takeover, the board of Frank's old company calls him back to run the company. As before, Frank maximizes the company's product: money. Dennis, Mac and Dee find Phillies VIP tickets and find themselves in a business deal of their own.

After Frank embarrasses himself at the funeral of a deceased relative, Dennis and Dee decide that it's finally time to give him an intervention for his reckless lifestyle.

The gang takes Dee's new subcompact car and a U-haul on the road with the intentions of hitting the Grand Canyon, and Charlie attempts to expand his horizons.

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.

Mac, Dennis, and Charlie seek revenge on another bar after their 10-year ban in a local flip-cup tournament is lifted, but find they need serious practice. Dee discovers new skills, and Frank wears tight pants.