The Griffin family decides to start their own restaurant, though have a hard time attracting customers. After Joe promises to help, Peter is excited at the fact of it becoming a local hangout for the police. However, things don't really turn out as hoped, and instead it begins to be popular with the handicapped. When Peter attempts to change the place, a sudden twist of irony quickly changes his mind.

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 Chris is expelled from school, he is sent to a boarding school that his grandfather Carter attended, but Chris doesn't exactly fit in. Meanwhile, the chicken returns to pick a fight with Peter.

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 ends 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 anything but normal, as he is now married to the former actress, and Lois is with Quagmire. Meanwhile, Stewie, Chris and Meg have also taken on Quagmire's charming characteristics.

Peter convinces Brian to move in with his girlfriend Jillian and Stewie tags along to help pay the rent but he tries to interfere with their relationship. Meanwhile Meg and Chris get jobs at the convenience store where Chris befriends the manager Carl who leaves Meg to do all the work. Carl soon fires her and promotes Chris to the co-boss.

When Joe feels that his disability is holding Bonnie back from living a full life, he decides to get a leg transplant. Excited about his new ability to walk, Joe engages in extreme sports, and soon ditches his current friends, for more active ones. Peter and the guys are upset at how Joe is acting and decide to teach him a lesson.

Lois and Peter sail off on a cruise. Jealous that he was left behind, Stewie's matricidal tendencies are rekindled. When Brian challenges him to actually do it, Stewie carries out his diabolical plan.

Presumed dead, Lois returns from the wilderness and names Stewie as her killer. On the lookout for Stewie, Joe leads a manhunt around Quahog. Desperate to stop Stewie, Lois realizes what she must do.

Peter starts an anti-immigration group after being caught up in the pro-American sentiment at a Veterans' Day parade, but his tune quickly changes when he finds out he was born in Mexico. Unable to prove his citizenship, pass the naturalization test or convince investigators that his marriage to Lois is for real, he ends up working as a groundskeeper on his father-in-law's estate and leading the fight for immigrant rights.

After Quahog is hit by a flood, Meg winds up in the hospital in a coma. When she wakes up and sees a cute med student, they immediately hit it off. Overprotective of his daughter, Peter is determined to drive the med student away. That is until Meg reveals that she is pregnant.

Peter decides to grow a mustache, and after being mistaken for a fireman, ends up lending a hand when a fire breaks out at a local fast food restaurant. The owner gives him unlimited burgers as a thank you, but he eats too many and has a stroke. When Peter recovers, he vows to expose the fast-food company for what it really is, becoming friends with a genetically engineered cow along the way.