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.

When Jenny finds and reactivates her "sisters"–early XJ prototypes 1 through 8–she is beyond happy. Each sister has her own personality, however, and they do not all have the same level of friendliness that Jenny has.

Having been found to have only been activated for five years, the school system declares that Jenny has to be moved into a grade level that corresponds to her "age." Jenny finds herself being forced to adapt to kindergarten.

When Jenny starts to develop face-bolts, voice changes, and excess wires growing out of her body, Brad chalks it up to puberty. However, it soon becomes apparent that the "puberty" is actually the doing of Queen Vexus of the Cluster, who has infected Jenny with a virus to warp her into a loyal, Cluster-controlled monster.

Jenny becomes the star football player of the high school football team. At a championship game, she soon finds herself facing the former Tremorton High quarterback whom she replaced.

Thanks to a screw-up from one of his Cluster troops, Commander Smytus loses a cache of super-powered Pip Crystals to the Crust Cousins. The cousins decide to flaunt both their style and newfound powers in front of Jenny, and she must use her keen fashion sense to save herself in time.

Looking to prove to Jenny that boy robots are jerks compared to him, Sheldon creates a mechanical suit and dubs himself the "Silver Shell". The plan backfires, however, when Jenny starts falling for Silver Shell.

As a robot, Jenny wants to experience what it is like to dream. When Dr. Wakeman installs a dream chip, Jenny's joy causes her to abuse its function and she finds herself stuck in dream mode and sleepwalking, causing mayhem in the process.

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. Jenny must manage these while fighting Himcules, a villain whose strength increases when he sees others in pain and diminishes at the sound of laughter.

Sheldon sets Jenny up for a date with Silver Shell, in hopes that he can reveal himself to her. However, she already has a date with Don Prima, much to Sheldon's chagrin. An evil mutant fly that can eat metal attacks people in the restaurant while the date takes place, while Silver Shell tries to sabotage the date by ruining Don's beautiful shoes.

Jenny is stuck going to a robot convention with Dr. Wakeman. Snubbed by all the other robots and insulted by Dr. Wakeman's rival, Dr. Phineas Mogg, Jenny finds herself going to a robot called Vee for comfort. However, "Vee" is actually Vexus in disguise, seeking to recruit new Cluster members.

Jenny gets a chance to visit the theme park Wizzly World with Brad and Tuck, and she cannot help but think that the robots in the park feel miserable. When Jenny breaks them out of the park, however, chaos ensues.

When Jenny hangs up on Dr. Wakeman one too many times, the doctor desperately reprograms Jenny's communicator to make Jenny unable to turn it off.

Tuck admires the Silver Shell, so he manages to convince Sheldon into making him Silver Shell's faithful sidekick, the Tin Can. Being a sidekick is not quite what he expects, though.

Jenny's new "bachelor pad" is the new hot spot in town, but her new party lifestyle begins to interfere with her own personal duties.

Scorned by Tremorton after ruining the town's 300th anniversary celebrations during a fight with Vexus, Jenny gets fed up with being unappreciated by humans and soon finds herself in Cluster Prime, the capital of Vexus' empire. She finally gets a chance to live with other robots like her, but soon discovers there's more to Cluster Prime than meets the eye. Note: This is a quadruple-length special.

Scorned by Tremorton after ruining the town's 300th anniversary celebrations during a fight with Vexus, Jenny gets fed up with being unappreciated by humans and soon finds herself in Cluster Prime, the capital of Vexus' empire. She finally gets a chance to live with other robots like her, but soon discovers there's more to Cluster Prime than meets the eye. Note: This is a quadruple-length special.

Not to be outdone by each other, a fashion war erupts between Jenny and the Crust cousins. Brit and Tiff employ psychological warfare by making Jenny feel self-conscious about her weight, so she urges Sheldon to make her as light as possible, which results in giving up her weapons and armor.

Looking to find a way into Jenny's heart, Sheldon steals a set of XJ-9 schematics from Dr. Wakeman. Vexus, however, also has eyes for the schematics, and is willing to disguise herself as "QT2" to trick Sheldon into giving them to her.

Jenny gives in to Tuck's request to be his entry for the hit robot combat competition "Robot Wars", despite finding the event barbaric.

Tired of being stuck under Jenny's shadow, Brad sets out to be his own hero. However, he finds himself in hot water when he runs afoul of the scientist Dr. Locus and his daughter Melody. Locus wants the XJ-9 schematics for reasons yet unknown and when Jenny gets knocked out in battle, Brad has to prove himself.

Jenny is convinced that Dr. Wakeman's new boyfriend is a psychopath.

The brand-new "Action Jenny" toys are a huge success, and Jenny finds herself taken in by the fame. However, they soon turn out to be Vexus and Krackus' newest plan to conquer the world.

Due to internal disputes, the Teen Team has broken up. With no place left to go, Misty heads back to Earth to be with Jenny. Teased at school by the Crust cousins for her appearance, Misty convinces Jenny to get back at them through a prank war.

Vexus is back, and with a new look. Having paired up with Brit and Tiff, the ex-Cluster Queen is becoming quite popular in school, to the point where even the Crust Cousins can't compete.