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 is put to the test when their mothers get in a 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 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.
Worried that he's not smart enough for Hayley, Jeff undergoes an experimental intelligence enhancement procedure at the CIA. Roger recruits Steve to help him harvest snake venom.
Stan becomes infatuated with a doll that the CIA wants to use to spy on the Russians.
When one of Roger's characters falls in love with Dick it effects the whole family.
Steve pushes Stan to trace the Smith family's ancestry while Hayley and Francine go undercover as Sub Hub secret shoppers.
Hayley takes off her headband and becomes a businesswoman; Stan plans a party.
Francine explores ASMR with Roger. Steve gets a a pole in his head and a secret admirer.
Stan goes to great lengths to find the "right" couple's activity for him and Francine; Hayley and Steve look into some mysterious markings they find on the door frame.
The Smiths take a trip on an old steam locomotive to visit Francine's aunt only to discover it's being hijacked.
American Dad becomes the 25th scripted prime-time show in the History of Television to reach 300 episodes and Roger's past comes back to haunt him.
After Stan's plan for the perfect Christmas goes terribly, tragically wrong, he's given a magical opportunity to make things right.