After a rousing debate on people's rights and freedoms, Mac and Dennis run Paddy's without rules or restrictions.
The McPoyle brothers and their sister, Margaret, take the gang hostage at their own bar; Frank tries to find his will after Charlie hid it.
The Philadelphia Eagles hold open tryouts, and Mac, Dennis and Dee use the event for their personal competition.
The gang gets a real scare after Dee reveals she's pregnant, forcing the guys to recall their last hazy Halloween party to determine who might be the father.
In an effort to sever all ties with Maureen, Dennis and the gang plan to crash Maureen's wedding and wreak havoc.