Steve goes on a class trip to Philadelphia, where he hopes to fall in love.
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 each other.
Francine's newfound friendship with a frog brings excitement to the whole Smith household. Unfortunately, it drives their neighbor, Greg, crazy.
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.
Stan battles an evil hot tub bent on killing his family.
Stan attempts to save his family after a hurricane floods Lower Langley--despite Fran's warnings that Stan is a bad decision-maker during a crisis.
After he's appointed Steve's legal guardian, Roger has Principal Lewis fired for letting Steve break the school's rules; Stan and Fran vacation at a waterpark.
Stan arranges for Principal Lewis to marry Superintendent Riggs so he can finally be a best man at a wedding; Roger's new shorts attract the interest of Ricky Martin.
Stan uses an avatar of a hot girl to bond with Steve; Roger plots a violent end for frat brothers who stiffed him out of $20 for a limousine ride.
Stan resorts to extreme and cruel measures to humiliate Steve and maintain his alpha-male status in the house, and Hayley and Jeff turn to Principal Lewis for marriage counseling.
Overlooked for promotion for twenty years, Stan decides to woo the Senator who supervises the CIA task force. Stan makes Steve go to the same private academy as the Senator’s daughter, but Steve ditches school and Roger takes his place.
When Steve has trouble crossing over into the "cool kids" social circle, Klaus and Roger place their bets to see how quickly Roger can make him cool.
After Snot professes his love for Hayley and gets shot down, Steve and Roger devise a plan to cheer him up. Roger dresses up as Steve's cousin from New Jersey, Jenny Fromdabloc, and Snot falls hard for her.
Stan and Francine fight over how to redecorate the house. It goes so far that they split the house down the middle and try to live without each other.
Francine gets a job at Stan's office, which cramps Stan's style and his ability to flirt with co-workers. When Francine retaliates with a little flirting of her own, war breaks out at work.
Stan spends some quality father-son time with Steve at the local zoo, but things go wrong when Steve slips into a gorilla exhibit.
