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Robotboy is a battle machine with dreams of becoming a real boy. Upon hearing of Robotboy’s ability to spontaneously change into a fighting machine with the capability to wipe out entire armies, the evil genius Dr. Kamikazi, sets out to find Robotboy with hope of using him to enslave the world. Robotboy is sent to into hiding with a Tommy, who with the help of his friends Gus and Lola, teach Robotboy how to become a real boy as they keep him away from Dr. Kamikazi’s evil clutches.


Season 4 Episode 13 – The Return of Robotgirl / Momma’s Boy

The Return of Robotgirl: Robotboy's friend and fellow creation of Professor Moshimo, Robotgirl, arrives at Tommy's house suffering from memory damage and bearing a distress message from Moshimo. Momma's Boy: With his headquarters being fumigated, Dr. Kamikazi comes to stay with his mother. When Tommy, Gus and Robotboy come to the house selling magazine subscriptions, Dr. Kamikazi tells his mother to invite them in for dinner. Every time Mrs. Kamikazi turns her back, Dr. Kamikazi and his wiener-dog clones fight to capture Robotboy.

Season 4 Episode 12 – Revenge of Protoboy / Everybody Loves Gran.

The Revenge of Protoboy: Robotboy's evil twin brother, Protoboy, returns to destroy Robotboy. Robotboy fights him off, but Protoboy isn't done yet. He lures Robotboy back into battle by attacking the cruise ship that Tommy's parents are on. Everybody Loves Grandma: A visit from Tommy's Grandmother is disrupted by a series of attacks from General Yakitori, who's jealous that he doesn't have a family of his own and determined to destroy the happy Turnbull family. Robotboy does his best to defend his adopted family, but after repelling assault after assault, he eventually runs out of battery power. *Summaries courtesy of YTV.com

Season 4 Episode 11 – Donny Turnbull’s Day Off / Robomonkey Shines

Donny Turnbull's Day Off: Donny stays home from school to get the inside scoop on Robotboy. Robomonkey Shines: Tommy makes Robotboy a Robomonkey to play with. However, it goes bad and wrecks havoc on the party that Tommy's mom is throwing.

Season 4 Episode 10 – Bowling for Dummies / Tween for a Day

Bowling for Dummies: An ordinary day of fun at the bowling alley turns into high-stakes drama when Tommy, Gus, Lola and Robotboy are challenged to a bowl-off by the villains Dr. Kamikazi and Klaus von Affenkugel. The game becomes a lot more interesting when Gus agrees to give the bad guys Robotboy if they win. Tween for a Day: Professor Moshimo gives Robotboy a cybernetic skin, which enables him to impersonate a real boy for six hours. He dons the skin and heads for school where, unrecognized by anyone, he gains notoriety as the new class clown, but runs afoul of the administration. *Summaries courtesy of YTV.com

Season 4 Episode 9 – Udder Madness / Bad Nanny!

Udder Madness: Tommy and Gus spend a weekend at a ranch, letting Robotboy do all the work. But when an alien tries to abduct Robotboy, the boys have to work together to get him back. Bad Nanny!: Sick of the fooling around that Tommy and Gus do, Tommy's mom hires a nanny to wipe them into shape. It turns out, however, that the nanny is actually Felonius Hex in disguise.