When Peter's drinking causes him to lose his job, he turns to welfare but ends up receiving much more than expected, which he attempts to resolve by returning it at the Super Bowl.
When Peter accidentally runs over the cable television transmitter, he then decides to spend his life away from the TV. Stewie goes to great lengths to avoid eating his broccoli.
When Peter is put under house arrest, he builds a bar in his basement, where Lois becomes a singing star. Stewie constructs a time machine to end a toothache.
Lois is named director of the local theatre group, and decides to produce The King and I. She names Peter producer in the hopes of keeping him out of the way, but he gradually takes over.
Meg feels very embarrassed by her family and takes them on a talk show to shame them, but instead the Griffins receive their own reality show, forcing Meg to leave.
Lois gets a job as a flight attendant and puts Stewie in day care, where he falls in love with a toddler named Janet. Peter takes advantage of Lois' job to fly around the world for free but they both get stuck in Cuba
A member of the Mafia offers to help Peter obtain a brand-new car in exchange for a favor, entertaining Big Fat Paulie, the nephew of the Don. But due to Lois' seriousness, Paulie calls a hit on her.
Meg writes for the school paper so she can have extracurricular activities and be admitted to Brown University, interviewing MayorAdam West, until Peter switches her article with one saying that Luke Perry is gay.
Lois desperately searches for one piano student who can beat Alexis' student in competition, while Peter drinks more Pawtucket beer than usual in an attempt to win a tour of the brewery.
Channel 5 announces they want two high school interns, and Meg, who has a crush on news anchor Tom Tucker, applies and is selected. Stewie deals with a bully.
Peter prays for a Jew to help him manage his money, eventually he decides to convert Chris to ensure his son's success.
Season 4: 2005-2006
Season 4 was split into various segments so that FOX would not waste new episodes when television audiences were low. FOX showed an initial run of ten episodes starting in May, then after a brief hiatus episodes restarted on September 11, 2005.
Peter and Lois go on a second honeymoon to put the spark back into their marriage, and Brian and Stewie are left in charge at home where Chris is caught with alcohol at the school dance.
Loretta cheats on Cleveland with Quagmire. Peter and Brian happen across Loretta and Quagmire together in the living room. Cleveland then seeks revenge against Quagmire.
Believing he is a genius, Peter decides to prove it with an IQ test. The results, however, show that Peter is actually mentally retarded. Peter then decides to take advantage of his "disability."
Brian becomes a contestant on The Bachelorette, signing up for the free martinis and food, but ends up falling in love. Meanwhile, Chris gets a pimple which seems to have a mind of its own.
Lois becomes addicted to shoplifting, and winds up in prison. Peter and the other Griffins break her out and decide to hide in "Asiantown," with Joe hot on their trail.
Lois fulfills a lifelong dream of being a model. Stewie starts a multi-level marketing company. Brian, in need of cash to buy his de-worming medication, agrees to work as Stewie's salesman.
Brian goes to a PTA meeting, where he falls in love with a teacher. Peter becomes friends with James Woods but in doing so, becomes less friendly with Brian.
When Peter and the guys go on a fishing trip, they end up stranded on a desert island. Months later, the guys are rescued from the island and Peter returns home to find Brian married to Lois.
Chris worries about being teased on his first day of high school. Brian casually mentions his time in the Peace Corps, and Chris decides to run away to South America to join. Peter gets a job at the Pawtucket Brewery but can't control his drinking.
Peter starts his own TV station to counteract censorship on the networks, but Lois gets the FCC to shut him down. The FCC takes the extra step of trying to censor Peter's real life as well.
Peter starts his own church based on his faith in Fonzie from Happy Days. Meanwhile, Peter's religious father accidentally poisons Stewie with tainted Holy Water.
When Peter wins a free maid for a week, Quagmire falls in love with her, and then gets married, which Peter then tries to destroy. Meanwhile, Lois deals with the problems of breastfeeding Stewie.
Peter's vasectomy stops his desire for sex and results in Lois gaining weight. The sperm he donated prior leads to the birth of Bertram, Stewie's half-brother, rival and friend.
Brian tries to convince Meg that Mayor West is corrupt when she starts working for him. Peter and Lois begin taking drugs to relive their musical days.
When Brian's gay cousin Jasper comes to Quahog to marry his boyfriend, Mayor West tries to ban gay marriage. Brian becomes an activist to overturn the mayor's ban.
Peter builds a multiplex in his backyard and discovers an Indian burial ground. When he takes an Indian chief's skull, a poltergeist invades the Griffins' home.
The family is in a panic room, while Meg is held captive by robbers, the isolated Griffins are told stories of Griffin ancestors, including Nate Griffin, Peter Hitler, the cavemen Griffins, and others.