When Chris is supposed to be hazed for a school tradition, he runs off to South America; Peter quickly becomes frustrated by his new job at the beer factory.

Lois thinks Stewie is trying to kill her due to his lack of quality time with his father, so she orders Peter to spend more time with Stewie. Meanwhile Chris starts a friendship with Herbert.

After Peter uses Meg's money to buy himself a tank, she gets a job at the new Superstore in town. However, the Superstore puts all the shops in town out of business and sucks up the city's power supply. Brian and Stewie team up to save the town from the corporate giant.

When Peter gets hurt and can't work, his boss tells him he needs to speed things up. So Lois goes to the brewery to help him out. Meanwhile, Stewie finds out that Brian is dating a very attractive but not very intelligent woman. He tries to get Brian to break up with her, but Brian can't do it.

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.

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.

Peter's boss Angela sends him back to the third grade so that he can qualify for a work promotion. Meanwhile, Brian, Frank Sinatra Jr. and Stewie open the coolest club in Quahog.

After Peter has some luck selling footage of a celebrity he caught off-guard, he decides to become a full-time paparazzo. To make matters worse, his new boss, Angela, finds him irresistible and plagues him with unwanted advances. When Peter rebuffs her, he winds up getting the ax. Meanwhile, Stewie makes his theatrical debut in a school play, only to be overcome with stage fright.

After Lois dominates her competition in the boxing ring, Peter decides to become her promoter.

Stewie’s favorite thing after his teddy bear, Rupert, is Christmas. So when he hears that Santa is making an appearance at the mall, he begs Brian to take him so that he can tell Santa in person what he wants for Christmas. Brian begrudgingly takes Stewie to the mall, only to get the brush-off from Santa. As a result, Stewie and Brian travel to the North Pole to find Santa and teach him a lesson in holiday cheer.

Brian and Peter are required to attend a 12-step program to deal with their drinking problems; Death gives Peter a glimpse of what life would be like without alcohol.

Chris, Meg, Peter and Lois all trade places to teach each other a lesson.

Brian discovers that his new blind girlfriend can't stand dogs, and Peter cannot negotiate his way down the new staircase.

After a vestigial twin grows out of Peter's neck, which he names Chip, he eventually starts realizing that people like Chip more than they like him, so Peter has him amputated. However, after Peter gets into trouble, he realizes he needs Chip more than ever.

When Peter and Quagmire discover that their singing voices create beautiful harmony together, they form a singing/songwriting team, in the vein of Simon and Garfunkel. However, tensions run high when fame gets to Peter’s head.

When Peter gets fired for crashing a forklift into a business meeting, Lois takes a job at the grocery store while Peter becomes a stay-at-home dad — which leads to poor bedroom performance.

When Peter's mother dies, he befriends her longtime pal Evelyn, who tries to seduce him. In the meantime, Stewie feels despair upon dealing with the realities of death.

Peter takes up smoking cigarettes, and is approached by Mr. Stone, an advertising executive who wants Peter to be the face of his anti-smoking campaign under the caveat that Peter continues to smoke. Meanwhile, Stewie helps Chris battle bullies at school.

When Peter takes Stewie to the park for some quality father-son time, he mistakenly takes the wrong baby home, prompting Lois to call him an idiot. Determined to prove to her that he's a responsible adult, Peter goes on a business trip to Chicago and returns as an intelligent, classy person.

Peter, Cleveland and Joe come across a VHS tape called “Winter/Summer” an Asian soap opera that Quagmire starred in when he was living in Korea. Unable to find the final episode of the series, the guys travel to Korea to find it and Quagmire is reunited with his old lover. Meanwhile, Stewie worries he might become a redhead.

Carter buys the Pawtucket Patriot brewery and decides to cut some corners to save a few bucks. Peter overhears the plan and runs and tells investigative journalist Tricia Takanawa about Carter's plan to use toxic chemicals in the beer cans. Meanwhile, Brian's drivers' license has expired and he enlists Stewie as an instructor.

Peter gets jealous of Lois when she upstages him at a Red Sox fantasy baseball camp. Meanwhile, Stewie runs away from home when Meg is left to babysit him

The story of Peter's firing from the brewery, as told in the styles of Quentin Tarantino, Wes Anderson, and Michael Bay.

In this special holiday episode, a selfish Peter loses his Christmas spirit and is visited by ghosts of Christmas past, present and future who take him on a journey around Quahog in the style of Charles Dickens' "A Christmas Carol".