Brad and Tuck meet for the first time with Wakeman's robot XJ-9, Wakeman names it Jenny, and Brad is happy about it. A group of rodents tries to take over the robot's body to take revenge on Dr. Wakeman.
Jenny wants to attend a local fair, but because Wakeman is afraid that people will be afraid of her appearance, he tries to give her a human appearance. Jenny enters high school and discovers her popularity.
Jenny saves Sheldon from bullies, which increases her popularity. Jenny is happy to make a new friend but soon becomes afraid of him.
Tiffany Crust gets a new piercing, and it becomes a trending topic at school.
Wakeman travels on the weekend of the annual Minutian invasion, and Jenny faces the invasion herself and with her weapon. On the other hand, Jenny takes the opportunity of her mother leaving the house to throw a party.
Wakeman changes Jenny's eye to an improved one, enabling her to see invisible specters, but Jenny faces one problem: the eye is big.
Jenny wants to hang out with Brad at a place, but the owner refuses to let robots in, so Jenny is convinced of the idea of changing her outer skin to become a normal teenage girl. Tuck continues to ask Jenny for help with the simplest things.
Jenny finds a secret room where Wakeman puts her prototypes, so Jenny is thrilled by the idea of having sisters and is keen to put them to work.
As Jenny is afflicted with several technological changes that turn her into a Neanderthal, Jenny catches the attention of the football coach and he makes her the new quarterback.
Supreme Commander Smytus loses some of his lethal powers, and Sheldon still suffers from his secret crush on Jenny despite her not loving him.
Jenny wants to know the meaning of having a dream, so Wakeman invents a device that enables her to do so. She wants to continue in the dream world and then wants to discover what the sense of touch is, and with Wakeman's help, she recognizes only two feelings.
Shell uses his influence to get Jenny on a blind date. Jenny is excited about attending her first robotics conference.
Tuck and Brad take Jenny to Wizzly World, where Jenny feels sad about the treatment of robots there and wants to free them. Jenny gets tired of Wakeman's frequent calls to her, and things quickly get complicated.