Stan makes a desperate attempt to bond with his son by creating a busty blonde bombshell.

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.

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.

Stan gets Francine baseball tickets for her birthday but is upset when they have a horrible kiss on the kiss cam. Steve and Roger head to Nevada to help clean polluted water.

Francine joins in on Steve and his pals' live-action role-playing game. Stan opens a knock-off Seaworld in the house.

Stan can't escape a recurring Father's Day.

Stan becomes addicted to dying after Roger tricks him into thinking he had a heart attack; Klaus takes Steve to the Arizona State University for a college visit, where a fraternity hazes him.

Steve and Roger restart their career as a twin brother acting duo. The family becomes addicted to a novelty gift shop.

Stan has Roger pretend to be a shark to help Steve overcome his fears. Hayley's friend Danuta becomes romantically interested in Klaus.

Steve babysits Roger’s ex-tumor, Rogu, to prove to Francine that he’s ready for the responsibility. Stan and Francine get into trouble in their respective clubs.