Stan is upset at the idea of becoming a grandfather after Hayley and Jeff announce they're trying to have a baby. Steve and Klaus join a drug gang after Steve decides to take being an uncle extra seriously.
Hayley experiences what pregnancy would be like after Roger agrees to give birth to Jeff so he can be human again. Snot's feelings are hurt when Steve secretly signs him up for a makeover.
The Smith family must rescue Steve after he is kidnapped and taken to the North Pole. There, Santa Claus is using children to mine for precious stones that he needs to perform an ancient ritual.
Francine becomes less attracted to Stan when he gets involved with slot car racing. Roger becomes a stewardess to perform comedy routines on the plane but is upset when another stewardess is funnier than him.
Steve and his friends take up witchcraft to gain power and popularity at school. Stan and Klaus become obsessed with remembering 90s bands.
Klaus gets transferred into the navigation system of Stan's car after Stan refuses to pay for a life-saving surgery. Steve and his friends prank Roger's Frank character and he terrorizes them for revenge.
Francine steals from the CIA and pretends to be a sexy supervillain to incite Stan to be more seductive. Roger tricks Hayley and Steve into trapping Jay Leno so he can take revenge on him.
Steve becomes the town pariah after he convinces the star quarterback of the arena football team to stop playing. Roger forces Hayley to become a cab driver to pay him back for her gambling debts.
Roger runs off in disguise as a Julia Roberts character to a small town after Stan hurts his feelings. Steve plans a meeting when he finds out that Jeff and Barry have never met.
Stan becomes addicted to "dying" after Roger tricks him into thinking he had a heart attack. Klaus takes Steve to Arizona State University for a college visit, where a fraternity hazes him.
When her efforts to save the planet prove hopeless, Hayley decides that she might get more attention if she becomes a blonde. Meanwhile, Stan and Steve go on a mission to find a new home for the Smiths.
When Bullock sends a drone to do the job Stan and his colleagues are supposed to do, Stan is determined to prove that humans are better than robots. Meanwhile, Francine and the rest of the family participate in a slow motion race in the living room.
Steve and Snot are fed up with being bullied. When they enroll in a karate class, Snot is brainwashed by the sensei and it's Steve’s mission to get him back. Meanwhile, Klaus develops a horrible odor and is forced to be an outside pet.
When Francine's sister Gwen comes to town, Hayley suspects she is up to no good. Meanwhile, Stan teaches Steve the art of hugging Aunt Gwen and Klaus shadows Roger's dramatic comments.
When Steve insults Francine, she refuses to cook for him and he becomes a successful internet chef, appearing on a popular morning show. Meanwhile, Stan thinks he can make people invisible by snapping his fingers.
Hayley gets a job and starts to fall for a co-worker. Meanwhile, Stan chauffers Steve and Francine to a Mother-Son dance. Hayley is broke and gets an office job where she meets a cute co-worker named Ax. Klaus and Roger encourage her to have sex with Ax on an office retreat. Hayley is all for it until she finds out Ax is a married man. Hayley backs out when she sees he has a tattoo of Roger. Back at home, Stan steals Francine from Steve at the school dance and tries to make it up to him by letting them dance at home.
When Stan wishes he could have Principal Lewis' carefree, single life, his wish comes true! Meanwhile, in his wish world, Principal Lewis has Stan's family.
While on vacation in Los Angeles, Stan joins the world of old Hollywood.
Francine is up for an award for her lonely housewife novel, so the family heads to New York for the ceremony. Meanwhile, Stan and Hayley hang out with actor Robert Wuhl, and Steve and Roger recreate their Wheels and the Legman personas.
Hayley is dying to be on a roller derby team, but they will only let her play if her “sister” Steve will play too. Meanwhile, a magical carpenter visits Stan and Francine and Roger runs the roller rink.
Stan is horrified when he sees a couple die in a car crash, and he goes to see a shrink. Meanwhile, Roger and Klaus study for a wine tasting.
Jeff returns from space...Or does he? Meanwhile, Steve watches after Snot's hamster.