Brad and Tuck discover there's something very different about the girl next door. She is the super-powered Global Robotic Response Unit model #XJ9 but she likes her friends to call her "Jenny".
Dr. Wakeman's mutant lab rats, led by the evil genius Vladimir, vow revenge on their creator by by trying to take control of Jenny's body.
Jenny wants to go to the annual Townsquare Fair, but Wakeman is worried that someone in such a large crowd is bound to panic when they see a seven-foot mechanical teenager.
On her first day of high school, Jenny seeks to make some new friends with Brit and Tiff Crust. Unfortunately, the Crust cousins do not share the same feelings and plan to humiliate her.
Jenny makes a fan for life when she saves Sheldon from the shop class bullies. Jenny's happy to have another friend, but his instant devotion creeps her out.
A simple snowball battle between Jenny, Brad, and Tuck is interrupted by a strange robot ambassador who wants to make Jenny the newest member of the Cluster.
Tiffany Crust has just gotten her left ear pierced for the third time and this makes pierced ears the hot topic of the day.
Brad is disappointed by his lack of a driver's license, and Jenny's attempts to help him. Soon, he takes up joyriding in abandoned UFOs as a new hobby.
Wakeman has to be out of town on the weekend of the annual Minutian invasion. She has just the weapon to repel them but she's doubtful her daughter can keep track of it in the disaster area she calls a bedroom.
While on a mission in Japan, Jenny loses one of her language system discs, losing her ability to speak English. Stuck in Japanese, she encounters problems speaking to people back home.
Wakeman gives Jenny new and (she thinks) improved eyes with the power to see an incredible spectrum of imagery that is invisible to the naked human eye. The only problem is they're huge.
Jenny has been invited to her handsome classmate Don Prima's latest party, but following the aftermath of one of her latest ventures, she needs to get a clean-up first.
Brad has gotten an after school gig at the local malt shop. Jenny wants to hang out with him and the other teens but the owner doesn't allow robots. Jenny convinces Wakeman to revive her exo-skin concept to make her look like a normal teen.
Tuck keeps interrupting Jenny's daily activity for every possible favor. When a big problem arises, however, Tuck's call for help winds up going ignored.
One day, when Wakeman is out, Jenny discovers a secret room that stores her prototypes, XJ1 through 8. Excited to have sisters, Jenny activates them.
After discovering that Jenny is technically only 5 years old, the school system declares that Jenny has to be moved into an age-appropriate grade level, forcing her to adapt to kindergarten.
The Cluster infects Jenny with a microscopic nanobot that transforms Jenny into a Neanderthalish, robotic she-thing.
While trying out for the cheerleading squad, Jenny catches the football coach's eye. She is quickly drafted to be the new quarterback.
Smytus, Supreme Commander of the Cluster Armed Forces, loses some rare and deadly power crystals on Earth.
Sheldon continues to suffer through his unrequited crush on Jenny. She just doesn't look at him as boyfriend material.
Jenny realizes she doesn't have dreams or nightmares like other normal people. She has Wakeman install a dream program that operates when she is in her sleep mode.
Jenny's desire to know the feeling of physical contact leads her to steal a set of artificial nerves from Dr. Wakeman. The nerves, however, have only two settings: tickle and pain.
The Silver Shell uses his influence with Jenny to set up a blind date between her and his unidentified 'pal'.
Jenny is bubbling over with excitement about attending her first Robotics Convention.
On her first visit to the WizzleyWorld theme park, Jenny is appalled by the sweatshop -like conditions that the parks animatronics work in.
Jenny hates it when her mom calls her on the pager/monitor inside her chest.