Jeff returns from space ... or does he? Meanwhile, Steve watches after Snot's hamster.

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.

Hayley is dying to be on a roller derby team, but they only will let her play if her 'sister' Steve gets to play. Meanwhile, a magical carpenter visits Stan and Francine, and Roger runs the roller rink.

When Steve swears at Francine, she refuses to cook for him, and he becomes a successful chef, appearing on a popular morning show. Meanwhile, Stan thinks he can make people invisible by snapping his fingers.

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.

When Stan wishes he could have Principal Lewis' carefree, single life, a la "It's a Wonderful Life," his wish comes true. In Stan's wish world, Principal Lewis has his family.

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.

Hayley gets a job and starts to fall for a co-worker. Meanwhile, Stan chauffers Steve and Francine to a Mother-Son dance.

Francine is up for an award for her lonely housewife novel, so the family heads to the Big Apple for the ceremony. Meanwhile, Stan and Hayley hang out with actor Robert Wuhl, and Steve and Roger recreate their Wheels and the Legman personas.

When the CIA is forced to make cutbacks and go on furlough, Stan volunteers to take a position as a college campus security guard. Meanwhile, Roger opens a bed and breakfast to boost the family's income.

While on vacation in Los Angeles, Stan joins the world of old Hollywood. Meanwhile, Roger kennel-trains Steve and Hayley.

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 against one another 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 Stan lies about his texting-and-driving accident, he takes a seizure medication and suffers from the side effects. Meanwhile, Roger helps Steve with his performance anxiety.

"American Dad" is sold to a Chinese businessman. Meanwhile, Stan has Francine committed to an insane asylum when he forgets their anniversary.