Stan and Francine inject some much-needed fire into their relationship.
Francine is jealous of the new and improved Klaus and vows to take him down.
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 each other.
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.
While running an errand in Little Columbia, Stan is confronted by his hidden past.
Stan abducts The Weeknd to teach Roger a valuable lesson. Meanwhile, Hayley attempts to sleep with the celebrity singer.
Steve discovers his mom has never stopped giving him her breastmilk.
When Stan sees a middle-school classmate, he feels compelled to right an old wrong; Roger feels a cold coming on.
Hayley takes extreme measures to help Klaus from being deported while the rest of the family tries to open a coconut.
Jeff, Francine and Roger decide to team up and start their own bus tour business, with murderous results!
After Stan is injured, Francine nurses him back to health and he becomes dependent to her. The family discovers Tuttle is a Korean reality show star.
Stan drags the family to a labyrinth for family game night; Roger gets some geese.
Steve and the boys take part in a prison experiment to earn some cash. Meanwhile, Stan deals with the death of his CIA groundskeeper friend.
Steve's efforts to befriend a Swedish exchange student backfire in a big way; The family calls in an animal behaviorist to deal with Klaus.
Stan struggles to cope with the untimely death of his father. Meanwhile, a simple canoeing trip does catastrophic damage to Hayley and Jeff's relationship.
Klaus enlists Stan, Roger and Jeff to join him on a wild bachelor party weekend.
