The Griffins go to Springfield, where they encounter a stranger named Homer Simpson; Stewie trades his mind-control device for Bart's slingshot; Lisa teaches Meg how to play the saxophone; Homer and Peter argue about the best beer.
Peter's efforts to help Joe publish a book go awry when he takes over as author; Brian starts exercising excessively after experiencing a runner's high.
Lois and Peter open a cookie store together, but things get messy when Peter comes up with a scheme to bring in more customers.
When Brian's plastic surgery leads him to become a real estate agent, it causes conflict with Quagmire.
A drunken Brian and Peter devour the holiday turkey the night before Thanksgiving; Chris becomes the man of the house in Peter's absence.
When Peter runs into Jesus at the mall and learns he's still a virgin, he enlists Quagmire and Cleveland to help get him a woman.
When Stewie and Brian use the time machine to help Chris learn about history, the three accidentally get stuck in the past.
When Brian takes the SATs for Meg but doesn't do very well, the family starts to doubt his intelligence; Peter tries to show Brian the upside of being stupid.
Meg is happy when she is asked to be a model but finds the job isn't what she was expecting; when Stewie decides he wants to experience life outside of preschool, Brian tags along.
When Lois takes Peter to open a checking account, they learn his first name is really Justin; Quagmire gets in trouble with his mother (Allison Janney).
Peter, Quagmire, Joe and Cleveland discover that Chris is a thief when they form a neighborhood detective agency; Lois worries about Chris' relationship with his girlfriend.
When Brian decides he doesn't want to hang out with Stewie anymore, Stewie uses Brian's DNA to impregnate himself in an effort to save their relationship.
Meg becomes popular at her new job at the airport; Cleveland becomes a therapist and starts advising Peter and Lois on their relationship.
Peter is hailed a hero after finding a missing boy; Joe quits his job and takes a road trip to Niagara Falls.
When Brian becomes more submissive as a result of obedience school, Peter realizes his misses the old Brian; Chris discovers his new friend was just using him to get closer to Meg.
Lois is suspicious that Peter's new friends -- a group of mean girls -- are talking about him behind his back.
Peter claims he could beat Liam Neeson in a fight, but finds it isn't as easy as he thought; Stewie gets jealous when Lois decides to become a class mom.