When Bonnie and Lois take a trip to Paris, Bonnie crosses the line while in the City of Love. Meanwhile, Peter homeschools Chris and Meg using some unorthodox teaching methods.
When Mayor West marries Lois' sister, Carol, they move into the Griffin's house to be one big happy family. To make room for everyone, Stewie is bumped out of his room and takes over Chris' room, but not everyone is annoyed by the change. Peter and Mayor West bond and become best friends.moreless
When the local dry cleaner loses Peter's favorite white shirt, he flips out. Meanwhile, Brian tries to score on a date with a new friend, Denise, but fails. Instead of quitting, he decides to enlist Quagmire's help. However, things get nasty when they start to compete for the affections of each other's old flames, Cheryl Tiegs and Jillian.moreless
Chris and Meg think their parents have it easy, but Peter and Lois beg to differ. In order to teach them a lesson, they all trade roles. Chris goes to work at the brewery while Meg runs the house. While things start off well, it's not long until the stress of running a household and being the sole breadwinner break Chris down.moreless
On the search to find a new hobby, Chris meets a puppeteer named Franz, an old friend of Herbert's. Despite Herbert's warnings, Chris and Franz remain friends until Franz's checkered past is suddenly revealed.
After a public disturbance, Peter and Brian are forced to attend a 12-step meeting to help kick their drinking problems. Unable to recognize his issue, Peter gets a visit from Death, who gives him a glimpse of what life would be like with and without alcohol.
Lois becomes friends with Joyce Kinney, the new local news anchor. Lois admits a secret to her, and Joyce uses it for a television story, that makes Lois look terrible. Joyce is unapologetic, leaving Lois no choice but to right a wrong.
Peter needs a new kidney after his energy-drink addiction causes renal failure. Meanwhile, Chris is chosen to introduce United States President Barack Obama at his school after winning an essay contest. Only thing is, Meg actually wrote the essay.
Feeling discouraged with the progress of his writing career, Brian decides to throw in the towel until Stewie become his manager and one of his books hits the bestseller list. But when the fame goes to his head, Brian gets a wake-up call from Bill Maher. Meanwhile, Lois decides that she and Peter need separate beds, a decision that leaves Peter looking for a new cuddle buddy.moreless
Halloween arrives on Spooner Street. Peter and Joe prepare a series of unpleasant Halloween pranks for unsuspecting family, friends, and neighbors. Stewie and Brian go trick or treating, and Meg attends a Halloween house party with high hopes for the evening.
After Peter catches Carter having an affair, he is forced into keeping a secret. But when Peter accidentally spills the beans, Lois' mom demands a divorce, and Peter is in charge of Carter's return to bachelorhood.
When Brian learns that Rush Limbaugh is going to be at the Quahog Mall for a book-signing, he decides to go down there and give him a piece of his left-wing mind. But when Rush unexpectedly comes to Brian's rescue, Brian has a political change of heart.