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.

Killgore, a tiny, harmless, wind-up robot, is so determined to capture Jenny and join the Cluster that he nearly drives her insane.

When Tuck discovers the Silver Shell outfit in Sheldon's garage, Sheldon buys his silence by making Tuck his superhero sidekick.

Jenny, desperate for privacy, converts the backyard tool shed into an opulent crash pad.

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.

Tired of being stuck under Jenny's shadow, Brad sets out to be his own hero.

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

A mysterious toymaker offers to design an action figure in Jenny's image after she gets her picture in the paper for her heroics.

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.

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. (Part 1 of 2)

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. (Part 2 of 2)

Sheldon tries to make Jenny jealous by paying Pteresa to be his girlfriend.