Stan Smith is a CIA agent painfully dedicated to homeland security. His home life includes doting wife Francine, a ditzy housewife, liberal daughter Hayley and socially awkward teenaged son Steve. Also living in the family's Langley Falls, Va., home are Klaus, a goldfish with the brain of an East German Olympic ski jumper, and Roger, an escaped alien from Area 51, who Stan houses in defiance of his employer due to owing Roger a `life debt'. Sounds just like the typical American family, right? Maybe not.
Roger has a medical emergency and is laid up, incapacitated. However, he has no time to lose, and orders Stan to take over his many personas. With adult humour.
Stan and Steve take part in the father-son events at Possum Lake, bringing Steve's competitive side to the fore. Plus, Roger learns to ride a bike. With adult humour.
Roger and Steve restart the twin acting career they enjoyed before Steve started school. Meanwhile, the rest of the family become addicted to a ...With adult humour and strong language from the start.
Steve leaves to go to boarding school - unaware that is just for girls. Meanwhile, Stan is annoyed by the people who take Steve's place in the family home. With adult humour.
A break-in at the Smith household leaves Francine rattled, and she becomes obsessed with home security. Plus, Steve adopts Hayley's laid-back approach to school work. With adult humour.
Jeff becomes a star dog racing coach, but Hayley feels left behind as he enjoys the success. Meanwhile, Steve makes the most of having an empty house. With adult humour.
Stan and Francine worry about their future and go to extremes to save their marriage. Meanwhile, Roger discovers a talent for jingle writing. With adult themes.
In an attempt to connect with Stan, Steve tries to get into baseball. Meanwhile, Francine's favourite soap opera is cancelled, leading Roger to create some real-life drama. With adult humour.
Francine wants to be a better friend to Roger's jeans-selling persona, while Stan and Steve swap eyebrows. With strong language from the start and adult humour
Steve introduces Stan and Francine to Barry's parents, Connie and Ted, but soon comes to regret it. Meanwhile, Roger goes completely blind. With adult humour.
Stan becomes obsessed with a television show from the 1960s after buying an old TV. Plus, Roger decides to live as a baby, and forces the family to care for him. With adult humour.
Jeff wins a place on a tour through a mysterious cannabis factory and decides to take Stan, who hates all drugs, along as his plus one. With adult humour, very strong language and themes of drug use.
Roger breaks up Steve's friendship with Snot, Barry and Toshi. Elsewhere, Jeff realises he has a flair for house flipping and gets Stan, Francine and Hayley in...With adult humour and strong language.
Stan asks Roger to pretend to be a shark to help Steve overcome his fears. Meanwhile, Hayley's friend Danu...Contains adult humour and strong language with scenes that some viewers may find offensive.
Hayley and Jeff try life on the open road after moving into a van. Meanwhile, Stan and Francine are haunted by a rideshare dri...Contains adult humour with scenes that some viewers may find offensive.
Steve goes undercover at school, impersonating a hall monitor. Meanwhile, Roger and Stan witness an escalator accident. S15 Ep18
Jeff agrees to take Francine out on the town, but their wild night doesn't live up to expectations. Plus, Klaus bores Steve with his celebrity impressions. S15 Ep19
Stan and Jeff's game annoys Hayley, who can't understand how Francine puts up with it. Enraged, Hayley and Francine take a break from their marriages. S15 Ep20
Stan buys the rights to a Broadway show after inheriting money. Soon, the family travel town to town, selling their show, but never performing it. S15 Ep21
Steve's life changes when Snot gets rich thanks to his mum selling a new dipping sauce. Elsewhere, Klaus, Stan, Roger and Jeff become mall fashion show models. S15 Ep22
Despite having huge reservations, Stan invites Roger to join his ham club. Meanwhile, Francine plots to frighten Greg. S15 Ep23
Snot discovers that his late father was a demolition derby driver who used to partner one of Roger's personas. Elsewhere, Hayley takes Steve on a road trip. S15 Ep24