Stan keeps erasing his family's memories, forcing them to redo Father's Day until they get it right.

Stan helps Steve to go above and beyond on his history project, fearing Steve may be losing his smarts. Meanwhile, Klaus longs for a human body again someday.

Stan and Steve become sushi chefs while Haley tries to help Roger seek peace through meditation.

Stan becomes outraged when a painting of Francine's genitalia is placed in a museum.

Stan gets upset at the idea of becoming a grandfather after Haley and Jeff are trying to have a baby, Steve and Klaus join a drug gang.

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 Smiths rescue Steve after he's kidnapped and taken to the North Pole, where Santa Claus is using children to mine for precious stones needed for an ancient ritual.

When Francine finds out that Stan is involved with slot car racing, she becomes less attracted to him. Meanwhile Roger becomes a stewardess and performs comedy routines on planes and gets mad when people find the other stewardess funnier.

Steve and his friends take up witchcraft to gain popularity at school, meanwhile Stan and Klaus become interested in old 90's music.

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 most hated person in town after he convinces the star quarterback player of the Bazooka Sharks to quit. Meanwhile Haley is force to become a cab driver to pay Rogers gambling debt.

Steve and Snot go to summer camp, but each wants something different out of the experience. Meanwhile, Roger organizes a Burning Man in the Smith's backyard for the anniversary of Hayley and Jeff. Stan and Francine get caught up in the celebration.

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.

The Smith family receives a notice that Grandpa Jack's storage unit is being auctioned away. Stan forbids the family from visiting the storage unit but Steve wants to learn more about Grandpa. Steve discovers a garbage truck in the unit and brings it to Stan. Stan has a few good memories of the truck so he and Steve start running the old garbage route. Steve learns that the truck was part of a drug running business but hides this from Stan. Meanwhile, Roger takes Hayley on the competitive bumper pool circuit.