Charlie finds himself becoming more intelligent after agreeing to be part of a University drug study. With Charlie's interests now focused elsewhere, Mac, Dennis, and Dee must take on Charlie work.moreless
To avoid getting sick with the flu and missing out on their chance to participate in an upcoming Boyz II Men singing competition, the gang decides to quarantine themselves in Paddy's Pub.moreless
During a convenience store robbery, each of the gang envisions how they would intervene.
The gang is forced to spend the day participating in activities of Mac's choosing.
Duped into investing in financial schemes, the gang tries to recoup their losses by getting others to participate.
The gang sets out to spruce up Paddy's image in order to gain the respect of the bartending industry.
Frank's gun advocacy ignites a debate about gun ownership.
A depressed Dee channels years of abuse from the rest of the gang into a burgeoning stand-up career.
What originally was supposed to be a private dinner between Mac and Dennis at Guigino doesn't go exactly as planned when the two notices that the rest of the gang is also in attendance.moreless
The line between reality and the virtual world begins to blur as a result of the gangs' obsession with computer games.
With Charlie by his side, Frank returns to his old company to help with a merger.
The gang's faith is tested as Charlie's mom combats cancer.
The gang sets out to enact a plan at the reunion that will fix their tarnished image.
The gang attends their high school reunion.
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.
Mac confides in a priest about how he believes his friends are the ones responsible for his weight gain.
Believing that they were slighted by a patron at another bar, the gang attempts to track him down so that they could get a little revenge. Charlie and Dennis inquire about the guy through others, while Mac and Dee resort to cyber-stalking. Left to his own devices, Frank also uses the internet in order to garner more business for the bar.moreless
The gang decides to spend a rainy day playing a twisted board game of their own creation.
Reports of an oncoming storm has everyone in Philadelphia including the gang preparing for the worst except for Frank who believes it's just hype.
Andrew Carlson as etiquette columnist, is told to adapt to a much sexier style, for the new image of the magazine, he hires his old high school bully Bert Lansing to try to help him to be more modern and sexy.moreless