Jenny really wants a popular music player called the "Musique," but it's very expensive. So Jenny tries another method: shoplifting!

If Tuck doesn't pass his next assignment, he's going to wind up repeating the second grade. His assignment: a project on his personal hero. His subject: Jenny. His project: create a movie centering on Jenny's life. His personality: too enthusiastic for anyone to stand. Along with a generous amount of creative license.

Having vowed revenge on her for all the injustices placed upon them, Dr. Wakeman's mutant lab rats, led by the evil genius Vladimir, also known as Mr. Scruffles, plan to destroy her by taking control of Jenny's body.

When Jenny saves local school geek Sheldon from a gang of bullies, he quickly becomes smitten with her and does not want to leave her alone.

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, a legion of robots headquartered on the planet Cluster Prime that plans to enslave humans for manual labor. When she refuses, the ambassador commences war against her.

After a group of runaway living fruits and vegetables is stopped by Jenny, a jealous Skyway Patrol lieutenant seeks to permanently shut her down.

On her first day of high school, Jenny seeks to make some new friends, and she thinks she can find some in the arrogant Brit and Tiff Crust. Unfortunately, the Crust cousins do not share the same feelings and plan to humiliate her.

Jenny wants to get ear piercings, but her mother refuses to give her ears. Sheldon offers to step in and help, but the ears he builds end up being disproportionately large on Jenny's head.

Jenny and Brad's secret party is a hit, but between keeping the party-goers under control, keeping the house in one piece, and keeping a group of tiny multiplying aliens from invading Earth, Jenny has her hands full.

The owner of Mezmer's, a popular hangout spot for teens all over town, enforces a strict "No Robots" policy. Desperate to get in, Jenny dons the new and improved exo-skin to pass off as a glamorous human teenage girl. However, the exo-skin turns out to have a mind of its own and refuses to let Jenny take it off or fight a group of alien space bikers.

A group of aliens worship Jenny after she is mistaken for a "comet goddess". It's fun at first but they soon drive Jenny crazy. However, when confronted, the aliens promise to leave her alone after one last ceremony. Jenny unwittingly pulls the Sun towards the Earth, and uses the same ceremony the opposite direction. She then hurls the alien's spaceship into an elliptical orbit around the sun, turning them into a comet. The Earth is saved, but someone's missing...

One of Mrs. Wakeman's old creations, a robot puppet named "Li'l Acorn", tries to make Jenny his bride.

Melody returns to Tremorton, and Brad begins spending more time with her. Is Jenny merely getting jealous, or is Melody more of a dischord than she seems?

After Nora's electrics address filer goes on the fritz, Jenny invites her distant aunt over to visit, but quickly learns that she and her sister Nora Wakeman don't quite see eye to eye.

Sheldon is recruited to become a sort of secret agent, and stumbles onto a supposed plot to destroy every last robot in Tremorton.

The Space Bikers have managed to rebuild Jenny into a motorcycle, and now she and Tuck are en route to their hideout to demand them to change her back!

While on a mission in Japan, Jenny winds up losing one of her language system discs for English speech. Unable to switch off from speaking in full Japanese, she encounters problems in speaking to people. She uses this to her advantage, however, to make peace with a Japanese creature that grows with and is hurt by water.

With Misty hanging in Tremorton and doing her part in keeping the town safe (though not for free), Jenny decides to leave the superheroics to her and starts to slack off. But when Misty's mercenary habits clash with Jenny's views on protecting the innocent, fisticuffs break out between the two. What's going to become of their friendship?

Dr. Wakeman is proud of her newest enhancement for Jenny: multi-functional eyes that can see anything in any view. Jenny likes them until she sees how they look on her. She refuses to use them and fumbles around town without any sight until she finally realizes she needs them to fight an invisible villain.

Jenny has been invited to her handsome classmate Don Prima's latest party, and she has gotten a tune-up and a new paint job just for the occasion. However, Brit and Tiff are ready to do anything to sabotage Jenny's chances to impress at the party.

Jenny fails an audition for the school play of Romeo and Juliet, due to her being a robot. However, her and the play's director's views are questioned when two different races of aliens land for a surprise visit.

Jenny wants to go to the town fair, but Dr. Wakeman fears that Jenny will spook the townspeople with her presence. When Jenny gets a hold of a prototype "exo-skin" for her to wear, she sees her chance to mingle with the fairgoers; unfortunately, its mangled appearance only scares them. Meanwhile, Tuck attempts to conquer his fear of Ferris wheels.

Turns out, poor Sheldon was stuck on the aliens' ship when Jenny got rid of it (in the previous episode), and he's been spending decades trying to get back to Earth (even though it's only been a short time on Earth since he left). Hopefully, Jenny can get him back to his proper age.

Jenny, Brad, Tuck, and Sheldon end up stranded on a deserted island inhabited by hostile robotic clones of historical figures. To make matters worse, Jenny's auxiliary power is about to run out! Featuring Uncle Wizzly, based on the famous creator of the Wizzly theme parks.

Jenny makes her first contact with the outside world, meeting Brad and Tuck Carbuckle for the first time. While Brad immediately accepts Jenny as a new friend, Tuck does not quite see her as anything other than a "evil robot cyborg".