The Brindles, the Lawson's nosy neighbors, come across Vicki and tries to find out their secret.

Jamie has the entire house to himself, not knowing that Vicki is his babysitter!

Warren Enright, the class nerd, falls in love with Vicki.

Because Vicki is getting more attention, Jamie decides to run away to see what his parents might think.

Jamie and his friend Reggie Williams are involved in putting together a sci-fi movie project for school, but the power of directorial duties goes to Jamie's head.

Jamie realizes the value of constant truthfulness when he can't convince his parents that he's not responsible for breaking (and secretly gluing together) a teapot caused by Harriet's smart-aleck cousin.

A bully extorts money from Jamie's neighborhood club, which quickly reconsiders its boys-only policy via Vicki's strong-arm "assistance."

Jamie uses Vicki's new speed-scan reading ability to complete 55 chapters of his homework overnight, which earns him the school honor roll -- along with snowballing guilt.

Tipped off on the sly by busybody Bonnie Brindle, Child Services threatens to take Vicki away unless the Lawsons can produce her past -- and she passes a medical exam.

To circumvent Child Services' orders to send Vicki to school and risk exposure, the Lawsons hire a pompous tutor who mistakes her computer abilities for genius. To remedy the situation, Joan crams to follow-through her marriage-postponed teaching degree to act as Vicki's "tutor," while Ted takes over the kitchen and creates a mess.

A house fire moves Ted's new boss, Brandon Brindle, into the Lawsons' house, scheming for insurance fraud.

When overexposure to Harriet infects heuristically mimicking Vicki with Harriet's personality traits and shrieking tantrums, Ted must purge the brat out of her at his factory -- but not before Harriet and Bonnie Brindle wonder where Vicki suddenly vanished to and summon the police.

Jamie attempts to mass-produce burritos made by Vicki.

The Lawsons and Reggie and Harriet take a wilderness camping trip, and get lost.

To charm prissy and picky Jessica, Jamie throws an expensive party for her, ignoring a surprising school tomboy.

When golf-crazed Ted neglects taking Jamie to a Father-and-Son picnic for a golf tournament, Brandon steps in and incites a "father war" while Joan uses Vicki to voice her disapproval to Ted.

When keen-eyed recruitment officers from a rival robotics firm drop by to interview Ted, they suspect Vicki is a robot and plan to "robotnap" her.

United Robotronics cutbacks have the Lawsons scrambling for odd jobs.

Ted is motivated to get the family into shape when an obese co-worker loses a record amount of weight.

Ted is proud that Jamie's made the Pee Wee Football league, unknowing that Jamie only does it to please his dad.

When a vaudeville actor thinks Vicki is his long-lost daughter, he drafts her into a show and threatens her adoption.

When timid Ted uses the "stork theory" in answering Jamie's questions about sex, Jamie believes Dad's in serious need of sex education and tries to help him out.

Ted has the unenviable task of explaining to his unwary Vicki-doting father, who bitterly lost his job to automation, that his new lovely adopted granddaughter is really a robot.