Jenny is accidentally transported to Cluster Prime, the planet ruled by her nemesis Vexus and completely populated by robots, where she goes through an emotional roller-coaster ride.
Brit and Tiff help Vexus disguise herself as a teenager at Tremorton High, but Vexus gets carried away in her new kingdom. Letta's Biker Gang rearranges Jenny, turning her into a motorcycle.
Jenny humiliates a samurai by rescuing him and must help him regain his honor. Jenny's sisters turn against Wakeman.
A robotic ventriloquist dummy that Wakeman once performed with returns to demand a bride. Jenny and the boys crash land on an island where historical figures come alive.
When Tuck sees the future, he believes he is invulnerable. Sheldon is recruited by "The Agency" to become a secret agent and spy on Jenny.
Jenny becomes a carrier for alien microbes and her friends and family begin to morph into monsters. Jenny unknowingly brings back a virus from outer space that mutates the personalities, and then the bodies, of her friends and family.
A group of aliens see a flaming Jenny descending from the sky and decide that she is their Exalted One. A strange, old man claims to be Sheldon, saying that Jenny accidentally threw him into space with an alien race and he's been gone 75 years.
Five of Jenny's B-villains band together to stop Jenny. Only by finding some teammates of her own can Jenny hope to defeat this dastardly group.
Jenny steals a music player while in disguise as "Ruby Rocket," and an angry crowd forces Jenny to battle her alter-ego. Jenny takes a break from superheroing when her friend Misty takes on that role in town.
The embarrassed lieutenant of Skyway Patrol makes it his personal vendetta to take down XJ9. Jenny finds herself trapped in a mysterious enclosure with her nemesis, Killgore, and they must work together to get out.
Jenny attacks ugly aliens who come to Earth to warn of an invasion by beautiful aliens. Wakeman's earthy sister comes to visit, bringing her leaf-and-mud son, Glen, but spends the whole trip arguing with her sister.
Jenny is suspicious of Brad' new girlfriend, Melody, especially when disasters keep happening wherever Melody goes. Tuck does a school project about his hero, Jenny, and opts to make a movie about her, but his newfound power quickly goes to his head.
Jenny tries to stop a new villain while hiding her superpowers from a handsome new boy at school. Jenny is difficult in school, so Wakeman home schools her… and she's still difficult.
A mysterious toymaker offers to design an action figure in Jenny's image after she gets her picture in the paper for her heroics. Misty convinces Jenny to engage in a war of pranks with the Crust cousins.
Brad tries to be the hero but quickly discovers he might not be up to the task. Jenny suspects that Dr. Wakeman's new boyfriend is a psychopath.
Sheldon nabs Jenny's blueprints to find a way into Jenny's heart, only to have Vexus steal them away from Sheldon. Tuck is thrilled to be in a Robot Wars competition, pitting his robot against others in gladiatorial combat.
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