Believing a restaurant's children's place mat is a real treasure map, Peter drags the family all over Quahog in search of it.
Although, after spilling the beans on the news about a crucial clue, the whole town is now looking for the treasure pitting friends against friends.
Peter discovers that he has a vestigial twin, whom he names Chip, growing out of his neck. It’s not long before Peter resents the fact that everyone seems to love Chip more than him, so he decides to amputate his twin.
However, when Peter gets into trouble, he realizes he needs Chip more than ever.
When Quagmire takes his new laptop in for repairs he meets Sonya, a woman who is as kinky as he is.
However things go very wrong when Sonya's games get too rough, even for Glenn & he ends up missing.
Meanwhile, after finding his old teddy bear, Oscar, in the attic a love triangle of sorts begins brewing between Stewie, Oscar & Rupert.
Meg spills her lunch on the new kid, Michael, who is appropriately nicknamed “Mental Mike.” When he sets the date for her end on Friday, Meg tries to get out of it.
Meanwhile, Peter continually harasses Brian in the nude until it escalates to the breaking point
The Griffins take a trip to Italy where Lois hopes to rekindle the spark between her & Peter.
The family takes to Italy quite well so Peter destroys their passports but after feeling homesick must try to find a way back home.
After a disastrous trip to colonial Jamestown, Stewie decided once & for all to destroy his time machine.
However he regrets the decision when Brian needs his help the most.
Later, the Griffins welcome a new member into the family with the addition of Vinny.
While protecting themselves from a bee, Glenn & Peter discovery they have great harmony so the decide to form a singing duo.
However things go from good to bad when fame goes to Peter's head.
The family takes Stewie to Quahog Mall's Christmas Carnival only to discover it's been canceled by Carter.
Peter decides to revive Carter's holiday spirit & get the carnival back, however, it still doesn't help Stewie's Christmas blues.
He finally realizes what he really wants for Christmas, but it's the one thing he just can't have.
After getting fired from the Pawtucket Brewery, Lois lands a job as Assistant Manager of the Quahog Grocery Store. However, due Lois being the breadwinner, Peter has trouble performing his marriage duties so he enlists the help of Glenn & Joe to get his libido back.
Songs: AC DC
-- Back in Black
Family Guy puts its own spin on three classic fairy tales, “Jack and the Beanstalk,” “Little Red Riding Hood,” & “Cinderella”
Dylan surprises Brian by visiting Quahog with the news he's starring in his own TV show filming in town, but things don't go as planned when the only thing Brian is interested in is working on Dylan's show.
Meanwhile, after Peter accidentally shoots Glenn during a hunting trip, Quagmire declares their friendship over which leave Joe having to choose one of them.
After learning his mother, Thelma, has died of a stroke, Peter befriends one of her neighbors however things get rather uncomfortable when she gets a little too friendly.
Meanwhile, Stewie tries to make sense of the concept of death.
Peter grows frustrated when players on opposing teams continue to thank God after defeating his beloved New England Patriots football team, so he and the guys embark on a global quest to find God and ask Him to stop interfering with the outcome of professional football games.
When Chris learns that he is the heir to Carter’s fortune, but refuses to take the money, Peter takes drastic measures to keep the wealth in the family.
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