The Smith family forgets to celebrate Father's Day, and so to make it up to Stan, they plan out the perfect day. Stan uses a CIA device to erase their memories and have them continually plan perfect days for him.
Stan is embarrassed when a painting of Francine's genitals, done by a famous artist, is unveiled at the museum. Steve turns to helping people after masturbation is ruined by his mom's portrait.
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.
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.
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.
The family competes on the reality show The Bitchin' Race. After Stan and Hayley ditch the less-motivated Steve and Francine and team up, they end up in a Tunisian labor prison.
Francine reconnects with her birth family when she starts craving the experience of having a big family. Stan becomes a Picker based on his obsession with American Pickers.
While having trouble communicating, Stan and Hayley team up to stop a terrorist plot to blow up the Bazooka Sharks arena. Roger pretends to be an escort.
Roger and Klaus start having a secret affair after they accidentally end up on an online date together. Steve tries to catch Hayley's pink eye to get out of doing a fitness test at school.
Stan and Steve open up their own father-son garbage business after Stan inherits his father's old truck. Roger finds Hayley is a natural at bumper pool and brings her to play with the best player in town.
Roger becomes a marionette and injures other students to help Steve win the school talent show. Stan, Hayley and Klaus start their own local honey business.
Stan's father returns and tricks Stan into helping him on a jewel heist.
Stan gets stationed in Saudi Arabia and learns to love the Saudi lifestyle. Meanwhile Hayley falls for a Saudi guy and Roger becomes a prince's concubine.
The Smith family is condemned to death for breaking Saudi law.
Stan and Hayley attempt to bond, but things are difficult due to Stan's obsession with guns. In the process, Hayley herself accidentally shoots Stan and paralyzes him. Meanwhile, Roger takes revenge on Steve for eating his cookie by convincing him he's adopted.
Steve writes a novel based on Roger and becomes famous. His parents try to exploit his fame and wealth for personal gain, leading to Steve divorcing himself from them. Meanwhile, Roger tries to kill Steve after realizing how unflattering his books are.
Francine tries to join an organization to feel accepted, only to discover she must cheat on Stan to become a member. Meanwhile, Stan and Roger fight over the attention of an adorable little dog, and Hayley locks Steve and Klaus in her closet.
Stan and Roger experience life in each other's shoes in a Freaky Friday-type switch. As a result, Roger becomes a car salesman while Stan stays around at home all day, both realizing these lives aren't all they're cracked up to be.
Stan gets a hefty bonus at work and uses it on himself while Francine opens a muffin shop without Stan's approval. Now without a housewife at home, Stan puts Klaus's brain back into a human body. Meanwhile, Steve is convinced he's becoming a werewolf.