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."
Steve tries to get into baseball to connect with Stan. Roger creates real life drama for Francine after her favorite soap opera is cancelled.
Francine tries to be a better friend to one of Roger's personas who is selling her homemade jeans on TV. Stan and Steve swap eyebrows.
Steve introduces Stan and Francine to Barry's parents and Steve regrets it. Roger goes blind.
Stan gets obsessed with a 1960s television show after picking up a secondhand TV. Roger decides to live as a baby and the family cares for him.
Jeff wins a tour through a mysterious weed factory and brings Stan along.
Roger breaks up Steve's friendship with Snot, Barry and Toshi. Jeff realizes he has a flair for house flipping and gets Stan, Francine and Hayley involved.
Stan has Roger pretend to be a shark to help Steve overcome his fears. Hayley's friend Danuta becomes romantically interested in Klaus.
Hayley and Jeff move into a van and start living life on the open road. Francine and Steve are haunted by an Uber driver that they rated poorly.
Steve goes undercover as a school hall monitor; Roger and Stan go catatonic after witnessing a grisly escalator accident.
Jeff is forced to take Francine out for a not-so-wild night on the town. Klaus forces Steve to watch his celebrity impressions.
Francine helps Hayley take a break from their marriages. Stan and Jeff pretend to be frontiersmen.
Stan buys the rights a Broadway show after inheriting money from a dead uncle.
Steve’s life is turned upside down when Snot gets rich after his mom starts selling a new dipping sauce. Klaus, Stan, Roger and Jeff become mall fashion show models.
Stan, reluctantly invites Roger into his ham club. Francine decides to scare Greg.
Thanks to Roger, Snot discovers his dead father was a demolition derby driver. Hayley takes Steve on a road trip, so he can learn to drive.
Roger tries to force Hayley into graduating from community college so he can move into her room. Klaus repairs Francine’s car.
Roger helps Stan enter Francine’s dreams after he becomes insecure about their contents.
Klaus leaves the family after one too many harassments. 15 years later, they reconnect for his funeral.
Roger helps Francine with her terrible cooking by bringing her to a remote Patagonian island. Stan gets a nail in his head and can’t speak.
Steve babysits Roger’s ex-tumor, Rogu, to prove to Francine that he’s ready for the responsibility. Stan and Francine get into trouble in their respective clubs.
Hayley drives Steve to a testing center in “no good” downtown but they end up stranded in a worse suburban neighborhood. Stan, Francine, and Roger mistakenly go downtown to rescue them.
Roger enlists Jeff as his protégé in order to open his dream chivalric strip club. Klaus moves into Steve’s room.