|| Original airdate
||August 1, 2003
||It Came From Next Door (Pilot)
||Jenny meets Brad and Tuck for the first time, but while Brad immediately accepts Jenny as a new friend, Tuck doesn't quite see her as anything other than a "crazy killer robot".
||Having vowed revenge on her for all the injustices placed upon them, Dr. Wakeman's lab rats, led by Vladimir (a.k.a. Mr. Scruffles), have swore to destroy their "oppresser", and plan to turn Jenny into their vehicle of revenge... literally.
||August 8, 2003
||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. However, she should have waited until the exo-skin was finished, for it's making Jenny look even freakier.
||Jenny is preparing for the greatest challenge she's ever faced... high school. She's looking to make some new friends, and she's found some in Brit and Tiff Krust. Unfortunately, the Krusts don't quite share the same feelings. Jenny's going to learn the hard way that not all people can be trusted.
||August 15, 2003
||Attack of the 5½ Ft. Geek
||When Jenny saves local school geek Sheldon from a gang of bullies, he quickly becomes her new best friend. The only problem? Sheldon is positively smitten with Jenny, and just won't leave her alone.
|Doom With a View
||A simple snowball battle between Jenny, Brad, and Tuck gets interrupted by a strange robot, who wants to invite Jenny into the all-robot "Cluster" as a new member. However, when Jenny shows no interest in joining a race of robots that plan to enslave humans for manual labor, the cold war commences.
||August 22, 2003
||Ear No Evil
||Jenny wants to get her ears pierced, and it would really help if she had ears at all. Sheldon offers to build her some ears, but someone should have told him that "size does matter". Now, as a result, Jenny's got a pair of ears that could put Dumbo to shame.
|Unlicensed Flying Object
||Brad really wants to get a driver's license, but he needs to learn that joyriding in abandoned UFOs doesn't exactly score points in that regard.
||September 5, 2003
||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.
|Speak No Evil
||While on an away mission in Japan, Jenny winds up losing one of her language system discs for English speech. Now, Jenny can't switch off from speaking in full Japanese, which is a problem when she can't tell everyone what is happening.
||September 12, 2003
||See No Evil
||Dr. Wakeman is proud of her newest enhancement for Jenny: multi-functional eyes that can see anything in any view. However, they're too awkward (for lack of a better term) for Jenny to wear, so she winds up ditching them. But now she's got no eyes at all.
|The Great Unwashed
||Jenny has an invitation to Don Prima's latest party, and she's 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.
||September 19, 2003
||The Return of Raggedy Android
||Mezmer's is a popular hangout spot for teens all over town, but the owner has a strict "No robots" policy. Desperate to get in, Jenny dons the new and improved exo-skin to pass off as a "perfectly normal human girl". But what happens when the exo-skin refuses to let Jenny take it off will result in big trouble.
|The Boy Who Cried Robot
||Tuck can't help but call Jenny for every little thing that happens. But when a big problem arises, Tuck's call for help winds up going ignored.
||October 3, 2003
||Before there was XJ-9, there was XJ-8, and before that XJ-7, then XJ-6, XJ-5, XJ-4, XJ-3, XJ-2, and finally XJ-1. When Jenny finds and reactivates her sisters, she is beyond happy. But each sister has her own personality, and not all of them have the same level of friendliness that Jenny has. Still, sisters can be counted on, right?
|I Was a Preschool Dropout
||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 matches her "age". Now Jenny finds herself in a new situation... kindergarten.
||October 24, 2003
||When Jenny starts to develop zits, odor, and body hair, Brad chalks it up to puberty. However, it soon becomes apparent that this puberty isn't exactly normal. Queen Vexus of the Cluster infected her with a virus to warp Jenny into a loyal Cluster-controlled monster.
|Grid Iron Glory
||Jenny becomes the star football player of the high school football team by somehow replacing the original QB. Can she lead Tremorton to glory, or will she wind up reduced to scrap?
||November 7, 2003
||Dressed To Kill
||Thanks to a screw-up from one of his Cluster troops, Commander Smytus loses a cache of super-powered Pip Crystals to the Krust Cousins. Now, the cousins are flaunting both their style and their newfound powers in front of Jenny. Can Jenny's keen fashion sense save her 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". But the plan backfires when Jenny starts falling for Silver Shell.
||November 21, 2003
||Jenny wants to experience what it's like to dream. When Dr. Wakeman installs a dream chip, Jenny's joy causes her to abuse its function. Now, she's stuck in dream mode and is sleepwalking, causing mayhem in the process. This episode is a tribute to Dr. Seuss.
|This Time With Feeling
||Jenny's desire to know what it's like to actually feel physical contact leads her to steal a set of artificial nerves from Dr. Wakeman. The nerves, however, have only two settings: tickle and pain.
||January 23, 2004
||Saved by the Shell
||Sheldon sets Jenny up for a date with Silver Shell, in hopes that he can reveal himself to her. However, she's already got a date with Don Prima, much to Sheldon's chagrin.
||Jenny is stuck going to a robot convention with Dr. Wakeman. Snubbed by all the other robots and insulted by Dr. Wakeman rival, Dr. Mogg, Jenny finds herself going to a robot called "Vee" for comfort. Of course, "Vee" is actually Vexus in disguise, and she's looking to add a few new robots to the Cluster.
||February 27, 2004
||The Wonderful World of Wizzly
||Jenny gets a chance to visit Wizzly World with Brad and Tuck, and she can't 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 is forced to take drastic measures. Now, Dr. Wakeman is on the communicator constantly... and Jenny can't turn it off.
|| Original airdate
||December 8, 2004
||A Robot for All Seasons
||Jenny meets a kid named Todd Sweeney. He's a spoiled brat but acts like a poor do-gooder. He programs Jenny to do a whole year of evil... up until his plan to eliminate Christmas. If Jenny can't find a way to stop this pint-size grinch, it's not going to be a merry Christmas for anyone.
||January 24, 2005
||When Tuck takes a look into Dr. Wakeman's "Future Scope" he sees a vision in which he thinks that Jenny is going to murder Brad.
||Dr. Wakeman is coming to Tremorton High to speak at an assembly. The main topic: Jenny. Now Jenny is desperate to get away before the assembly starts, and is even going so far as to ask Vexus to start a fight with her.
||January 25, 2005
||Last Action Zero
||Brad gets a chance to join the Skyway Patrol in hopes that he can help Jenny in her duties. Skyway, however, is mostly nothing but paperwork and paper cuts. How's Brad going to get a chance to help Jenny when he has to fill a whole stack of forms in triplicate just to get permission to request the order to do so?
|Mind Over Matter
||Jenny's newest villain, the energy vampire Gigawatt, is practically unstoppable, and Jenny's convinced that she needs more powerful forms to beat this creep.
||January 26, 2005
||Love 'Em or Leash 'Em
||Jenny's got a new boyfriend, a rather cute boy robot named Kenny. Despite having been made by Dr. Wakeman's rival, Dr. Mogg, Kenny seems to be the perfect match for the young teenage robot. So why is he scratching himself with his legs and barking at the moon? And what happens when Sheldon gets jealous?
|Teen Team Time
||The Teen Team has come to Earth, and they are quite impressed with Jenny's abilities. Jenny seems more than excited to join, but is she willing to ignore her other friends in favor of a group of heroes that are mostly prejudiced against "normal people"?
||January 27, 2005
||Commander Smytus has actually succeeded in assimilating Jenny into the Cluster, and has turned her into a massive metal monster. Having been awakened due to Jenny being in crisis, the rest of the XJ line have come to save their captive sister.
|Pajama Party Prankapalooza
||Jenny has managed to get herself invited to Brit and Tiff's slumber party, and, as usual, Jenny's naiveness leads her to cause mischief all over town to impress the Krusts. Now, Dr. Wakeman needs to stop Jenny before Skyway Patrol can catch up to her daughter.
||January 28, 2005
||Dancing With My Shell
||Jenny takes the Silver Shell to the Sadie Hawkins school dance, and Sheldon hopes that he can impress Jenny enough to reveal his identity to her. Everything starts going wrong, however, when Letta and the Space Bikers crash the dance.
|Around the World in Eighty Pieces
||Crackerjack Cluster inventor Krackus has managed to scatter Jenny's parts all over the world. Can Brad, Tuck, and Sheldon piece their friend back together before Krackus can call Vexus on his success?
||March 25, 2005
||Armagedroid, once a powerful global protector before he went rogue, has returned. Armagedroid was programmed to disarm and destroy all weapons, and part of the problem is that it can't discern between friend and foe. How can Jenny stop a robot built so huge, and what does Dr. Wakeman have to do with this metallic titan?
||Cute little Killgore (whose real name is Kilroy) has big dreams for such a small wind-up robot. In hopes of impressing the Cluster, Killgore has plans to capture Jenny. Surrender!
||June 23, 2005
||A Pain In My Sidekick
||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 isn't quite what he expects, though.
|Crash Pad Crash
||Jenny's new "bachelor pad" is the new hot spot in town, but she's throwing so many parties that she's slacking off on her duties.
|22-23 (TV Movie)
||August 12, 2005
||Escape from Cluster Prime
||When Jenny finds herself on Cluster Prime, the capital of Vexus' empire, she finally gets a chance to live with other robots like her. But there's more to Cluster Prime than meets the eye...
||September 6, 2005
||Victim of Fashion
||Not to be outdone by each other, a fashion war erupts between Jenny and the Krust Cousins. Jenny had better be careful, though, for fashion can be quite costly in the end.
||September 7, 2005
||Looking to find a way into Jenny's heart, Sheldon steals a set of XJ-9 schematics from Dr. Wakeman. But Vexus also has eyes for those schematics, and is willing to disguise herself as "QT2" to trick Sheldon into giving them to her.
||Jenny is stuck serving as Tuck's entry for the hit robot combat competition "Robot Wars". It may be barbaric to her, but how can she say no to such a cute face like Tuck's?
||September 8, 2005
||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 not-evil scientist Dr. Locus and his daughter Melody (who's way more that she appears). Dr. Locus wants the XJ-9 schematics for reasons yet unknown and, when Jenny gets knocked out in battle, Brad's going to have to prove himself.
||Dr. Wakeman's got a new boyfriend, and Jenny is convinced that he's a psycho lunatic. Is he really as bad as he appears?
||September 9, 2005
||Toying With Jenny
||The brand-new "Action Jenny" toys are selling like hotcakes, and Jenny can't help but be taken in by the fame. But those "innocent toys" are actually Vexus' and Krackus' newest (last) plan to conquer the world.
|Teenage Mutant Ninja Troubles
||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. Misty's appearance in school, however, earns her teasing from Brit and Tiff. Scorned, Misty convinces Jenny to get back at the Krusts via a prank war. The only problem, however, is that once Misty gets started on something, she doesn't know when to stop. Jenny's going to have to convince her pal that enough is enough before things get too serious.
The third season first aired in Asia, and eventually began airing as "lost episodes" on the Nicktoons Network on October 4, 2008. All episodes were rerun as an encore on Nickelodeon at 6/5c on Saturdays and Sundays. The series began resuming new episodes on February 21, 2009.
|| Original airdate
||October 4, 2008
||Weapons of Mass Distraction
||Jenny has a crush on a new kid named Travis, but there's only one problem: Travis is afraid of anything mechanical.
|There's No Place Like Home School
||Jenny winds up getting homeschooled by Dr. Wakeman due to her bad behavior at school. Jenny may not like it, but her mother enjoys the chance to teach her daughter... perhaps too much.
||October 5, 2008
||No Harmony with Melody
||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?
||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 around Jenny's life. His personality: too enthusiastic for anyone to stand.
||February 21, 2009
||Jenny fails an audition for the school play of Romeo and Juliet, due to her being a robot. However, her views are questioned when two different races of aliens land for a surprise visit.
|Never Say Uncle
||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.
||October 11, 2008
||A Spoonful of Mayhem
||After a group of runaway living fruits and vegetables is stopped by Jenny, a jealous Skyway Patrol lieutenant seeks to permanently shut her down.
|Enclosure of Doom
||Jenny wakes to find herself trapped in a mysterious place, where laser guns and other mechanisms meet her every move and the only company she has is...Killgore?
||October 18, 2008
||Girl of Steal
||Jenny really wants a popular music player called the "Musique," but it's very expensive. So Jenny tries another method: steal it!
||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?
||October 25, 2008
||The Legion of Evil
||Vladimir, Lancer, Mudslinger and the Mad Hammer Bros. form the 'Legion of Evil' to seek their shared vengeance on Jenny.
|The Price of Love
||Sheldon tries to make Jenny jealous by paying Pteresa to be his girlfriend.
||November 1, 2008
||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 the aliens demand that Jenny summon the sun to turn her Earth into a comet, she retaliates by putting their spaceship in orbit around the sun. The Earth is saved, but someone's missing...
|Good Old Sheldon
||Turns out, poor Sheldon was stuck on the aliens' ship when Jenny got rid of it, 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.
||February 21, 2009
||After destroying a series of asteroids that threaten to destroy the Earth, Jenny returns to earth, bringing with her a dust that severely alters the characteristics of her close friends.
||Jenny, Brad, and Tuck can't seem to agree over the rules of a board game. But when the boys tag along on a mission to a garbage dump asteroid, they run into Vexus, Smytus, and Krackus who are stuck in the asteroid. The ex-Cluster Queen is looking to drain Jenny of her energy, but she and her henchbots can't agree on how to use it.
||February 28, 2009
||Sheldon is recruited to become a sort of secret agent, and stumbles onto a supposed plot to destroy every last robot in Tremorton.
||Tuck, convinced that he's invincible, decides to become a daredevil, much to Jenny's chagrin.
||February 28, 2009
||One of Mrs. Wakeman's old creations, a robot puppet named "Li'l Acorn", tries to make Jenny his bride.
||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 battery is about to run out!
||April 18, 2009
||Ball and Chain
||Brad is getting married, but not by choice. The Space Bikers want poor Brad to get hitched to Tammy. But does Brad really want to be rescued?
||Skyway Patrol wants Jenny to pay for repairs to the city due to her fights, and now Jenny is on a desperate job hunt.
||April 25, 2009
||Voyage to the Planet of the Bikers
||The Space Bikers have managed to slag Jenny into their new motorcycle, and now she and Tuck are en route to their hideout.
||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.
||May 2, 2009
||Jenny dishonors a Japanese vacuum robot while on a mission to Tokyo, and she must restore the robot's honor.
||After an experiment goes bad in a science fair, all of Dr. Wakeman's XJ robots and other inventions mysteriously begin to run amok, and even Jenny herself became affected. Who is responsible for this heinous crime?