When Steve is selected to sing the national anthem at the Langley Falls Veterans' Day celebration, he gets some heat from Stan who doesn't think he's ready for such an undertaking. Unimpressed with Steve's vocal talents, Stan decides Steve needs to experience real war in order to sing about our country's military prowess. But things quickly go south when Roger gets involved and Steve goes bananas.

Wanting to have the scariest haunted house on the block, Stan comes up with a ''killer'' setup; Steve competes to win the heart of his overprotective friend's younger sister.

With a flair for the dramatic, Roger invites Stan to attend one of his acting classes.

However, tempers flare when they both audition for the same role, leaving them to duke it out for top dog.

Meanwhile, Steve and his friends get into a pillow fight when they try to plan the greatest slumber party ever.

Bonding with Steve at the zoo causes Stan to lose Steve in the gorilla cage.

After losing patience with Hayley and Jeff for their freeloading ways, Stan bets the young couple that he and Francine can live on minimum wage for a month. Meanwhile, Steve and Roger embark on a mission to test drive the car of their dreams.

Stan fears he may not be Hayley's real father, so he goes back in time to find the truth. In doing so, he disrupts the past and must save the future.

Francine thinks Stan spends too much time with his friends; a boy band recruits Steve and his friends for a music video.

When Stan invites his recently widowed mother to move in, she and Roger fall in love and wed; Steve and his friends find a lost movie script.

Thwarted in their efforts to secure dates for the upcoming high school prom, Steve and Snot turn to the CIA’s cloning machine to churn out two willing ladies. But, when the device produces two uber-fast-growing newborn babies, the boys must break out their fathering skills to ready them in time for prom night. Meanwhile, Stan takes home the CIA’s cloned pet, Daren the Dodo, with disastrous consequences.

Determined to get Snot to confront his emotions after his father passes away, Steve and friends embark on an epic cross-country road trip to the funeral. But Steve's commitment to his friend wavers when he falls for a Pixie Dream Girl along the way. Meanwhile, Stan and Roger invent an automatic cake-cutter for the Home Shopping Network, but their partnership is tested when they only make a "verbal agreement" to split the profits.

When Steve starts acting like a spoiled brat during the holidays, Stan takes him to see his incarcerated Grandpa Jack, who tells him the story of how he caught Minstrel Krampus, a legendary demon who punishes naughty children on Christmas. Stan decides that releasing Krampus is the only way to straighten out Steve's attitude. But when Krampus kidnaps Steve, it's up to Stan and Roger to get him back. Meanwhile, Hayley gets a job at the airport, but quickly realizes that she might not be cut out for customer service.

Stan's co-workers at the CIA teach him about "rubbernecking," the art of checking out other women on the sly, away from the gaze of their wives. But when Stan causes a massive accident in an attempt to take a picture of an attractive jogger, he's interviewed by an intimidating insurance inspector who may rat out Stan to Francine. Meanwhile, Roger and Klaus spill wine on the Smiths' brand new couch, and vow never to tell the other family members by sitting on the stained spot for the rest of their lives.

Hayley, still heartbroken over Jeff’s abduction, meets millionaire Matt Davis, who begins to help her move forward, until Steve and Snot discover that Jeff’s alive and trying to make it back to her.

Roger is forced to sell his beloved attic bar to a restaurant chain after suffering a heart attack, and a sexy new next-door neighbor promises to take Steve and his friends’ virginity in return for housework.

Steve and Snot alter their futures when they throw a party for the uncool kids. Meanwhile, Roger is disgruntled when a waitress doesn't compliment his order.

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.