After Lois saves Stewie's bear, Rupert, he begins to appreciate her more than ever. But Lois soon grows tired of this attention. At the same time, Peter goes to court suing Dr. Heartman of sexual harassment.
Peter's mom starts dating TV anchor Tom Tucker, causing Peter to turn to him as the father figure he always wanted. And Brian and Stewie begin hosting their own raunchy radio program.
Meg takes a job at the local "superstore," but the store causes Peter to lose his job and his electricity. So he becomes the store's most vocal critic--until it offers him a job.
Stewie and Brian join the army, go through basic training, and are sent to Iraq. Meanwhile, Chris becomes the lead singer of a rock band until Peter and Lois get Marilyn Manson to talk him out of it.
Lois does Peter's work at the brewery while he recovers from getting his fingers surgically reattached, and Brian doesn't want the family to know that he's dating an idiot.
Lois becomes the high school sex ed teacher, but is fired for having "radical" views. So she is replaced by a Christian group that uses fear, misinformation and lies to promote abstinence.
Stewie and Brian travel to Aspen to find the man that Brian sold Rupert to on accident at a garage sale, and Meg becomes Peter's personal driver after Peter temporarily loses his driving privileges.
Peter becomes the neighborhood bully after trying to take care of Chris's bully, and Stewie has a cancer scare after staying in the tanning bed too long.
After Peter finds a valuable coin and sells it for $50,000, he and Lois open their own restaurant. Peter is dismayed, however, when Joe and all of his handicapped friends begin using the restaurant as their hangout, and bans them all. This leads to a huge showdown and an ironic fate for Peter.
Lois gets a job as the church organist, so the family decides to begin going back to church. When Stewie gets sick after receiving communion, the congregation becomes convinced that he has been possessed by the devil. While on the run, the family ends up in Texas, where Peter begins to fit right in with the cowboys, Stewie enters the "Little Miss Texas" pageant, and Chris and Meg sneak into George W. Bush's house.
After being expelled by his school for dragging down their average standardized test scores, Chris is accepted into a snobby private school, which forces his family to struggle to pay the tuition.
Lois runs for mayor of Quahog, though she doesn't become the front-runner until she dumbs down her political views. Once in office, she becomes corrupted with the power that she now holds, and begins accepting bribes so that she can buy herself expensive things. Meanwhile, Peter comes to enjoy being the "first lady" of Quahog, and all of the perks that go along with it.
Death grants Peter's wish to go back in time to 1984 when he was 18, but only for one night. He end up bailing on a date with Lois to hang out with a movie actress. When he returns to the present, he soon realizes that everything is but normal, as he is now married to the former actress, and Lois is with Quagmire.