Stan sets out to stop a tree that he considers his father from being cut down. Steve realizes heÂs stopped growing and considers surgery.
Steve joins the high school water polo team to get girls. Meanwhile, Roger and Stan get a boat.
Hayley mentally regresses to a 6-year-old. Steve and his pals get a slow cooker.
Steve goes to work with Stan and discovers the N.S.A.. Hayley decides to let go of being a vegetarian and eat meat for one day.
Stan goes undercover as a surfer a la Point Break. Steve befriends a drifter, Hayley might be pregnant, and Roger wants the World Cup to be held in the backyard.
After Stan and Francine have a terrible "Kiss Cam" experience, Stan questions everything about their marriage.
Stan is enlisted to organize the CIA calendar, but Hayley sets out to destroy it. Elsewhere, Roger fakes his own death to avoid paying a huge balance on a credit card.
Roger serves as a teacher at Steve's school, involving himself with underprivileged kids. Elsewhere, Stan decides to stay at a retirement home.
Francine tries to help news anchor Greg deal with a breakup. Also, Roger grows obsessed with a fictional boy from an old game.
Stan, tattooed and haunted, travels a barren Langley Falls alone. Meanwhile, a mysterious element known as The Two Hundred has reigned terror on the town and separated Stan from his family.
Steve and Snot alter their futures when they throw a party for the uncool kids. Meanwhile, Roger is disgruntled when a waitress doesn't compliment his order.
Roger loses his identity after becoming fascinated by a local dentist's wife. Meanwhile, Klaus throws a party when Stan and the kids are unable to move from being sore.
When Stan is on a mission, Francine pretends she's a widow. Steve and his friends play wrestling and get beat up by Principal Lewis.
Francine joins in on Steve and his pals' live-action role-playing game. Stan opens a knock-off Seaworld in the house.
Stan loses his faith in religion after Steve questions everything in the Bible. He takes the family to Korea to investigate the rumors of a reinvented "Noah's Ark."
Everyone is separated after the ship explodes: Stan and Francine lose their memories and resort to primitive living on an island.
When Roger breaks his ankle, Francine convinces Stan to let him play in his basketball league.
When Stan discovers a salt mine in the backyard, the Morton Salt Company wants to buy it. It turns out Steve is the rightful owner of the land and he faces pressure from the family.
To teach Hayley a history lesson, Stan brings President James A. Garfield back to life from the 19th century; and Steve lands a job writing for the school newspaper.
Stan undertakes a mission to uncover who neglected to bring a gift to the CIA's Secret Santa party; and good-guy Steve fills in as boyfriend to several female classmates.
Stan and Steve start bowling together to have more quality time and Steve gets discovered for his bowling talent. Klaus holds a contest to test Roger and Hayley.
In order to avoid being sent on a suicide mission, Stan learns how to become a DJ to beat Bullock in a DJ battle. Jeff takes up drinking psychadelic teas and Roger helps him.