The series focuses on an eccentric motley crew that is the Smith family and their three housemates: Father, husband, and breadwinner Stan Smith; his better half housewife, Francine Smith; their college-aged daughter, Hayley Smith; and their high-school-aged son, Steve Smith. Outside of the Smith family, there are three additional main characters, including Hayley's boyfriend turned husband, Jeff Fischer; the family's man-in-a-goldfish-body pet, Klaus; and most notably the family's zany alien, Roger, who is "full of masquerades, brazenness, and shocking antics."
Francine becomes a realtor in Langley's world of high-end real estate, while the rest of the family sells coffee from the front yard.
When Stan doesn't feel confident in anything but his suits, Roger assumes a fashion designer persona to craft him a life-changing new wardrobe. Hayley and Jeff raise chickens in the back yard.
Stan takes Steve to his favorite barbershop to hang with his crew; Jeff starts journaling to help with his bad memory.
Steve and Snot's friendship gets put to the test when their mothers start to fight.
Stan insists everyone help him recreate the rustic family ski trips of his childhood while Klaus falls in love with a tech support operator.
To save a beloved restaurant from closing, Stan must bring the 1950s back to Langley.
Francine is jealous of the new and improved Klaus and vows to take him down.
Stan and Francine inject some much-needed fire into their relationship.
Wheels and the Legman try to hunt down the perpetrators who destroyed Steve's secret swimming hole. Meanwhile, Klaus helps an aging Principal Lewis reclaim his confidence.
The Smiths return from a difficult, quarrelsome vacation, but they can't get a break from one another.
Francine's newfound friendship with a frog brings excitement to the whole Smith household. Unfortunately, it drives their neighbor, Greg, crazy.
Steve goes on a class trip to Philadelphia, where he hopes to fall in love.
Roger is forced to confront himself after a series of accidents. Klaus and Jeff bond.
Steve profiles Stan for an essay contest at school; Francine uses a porta john.
Roger and Steve try to save a dying mall.
Barry blows out his dad's speakers and Snot helps him replace them. Stan attempts to do a standing backflip.
Stan is forced to co-lead a scouts troop with Hayley while Steve blunders in his fantasy world.
Jeff's people pleasing nature gets in the way of his relationship with Hayley; Stan wears a confusing costume to the CIA costume party.
When Francine successfully grows a garden, it reminds Roger he knows a recipe for truly authentic jambalaya.
Hoping to teach him the value of sharing, the family recreates a television show from Klaus' childhood. Roger has a piano recital.