Robotboy cries all his oil out at a sad play Constantine and Kamikazi put on. After, Kamikazi captures Robotboy and turns him evil. / Bjorn promises Robotboy that he will become a real boy with his machine after seeing that Robotboy wants to be real, but Bjorn is just trying to destroy him so his robot will be the best.
Tommy, Robotboy, Donnie, Gus and Tommy's father all decide to go on a fishing trip. But Kamikazi plans to sabotage their boat underneath them. / The evil Kamkikazi transmits a nightmare into Tommy's brain, making him go crazy. Robotboy gets scared and goes beserk. Tommy, Gus and Lola now must get revenge.
Robotboy bugs Tommy to take him to the Robo Con. There, Robotboy falls in love with Mono Lethal, a beautiful fighter robot. / A stuck-up kid called Bjorn is a robot inventor just like Prof. Moshimo, and believe he is the greatest robot maker in the world. He meets Tommy and Robotboy, who instantly rival each other.
A couple of security gaurds at a huge top shop believe Robotboy is a toy and Tommy has stolen him. It is later revealed to be a plan by Kamikazi. / Tommy leaves Gus in charge of Robotboy when he is in hospital with a cracked skull. Gus dumbly activates Robotboy to rampage around town to find a new candy called Kazi Krunch.
Robotboy wants a family of robots, and when he finds out he has a brother called Protoboy he goes to Kamikazi's lab to find him. But soon he finds out he's evil. / The gang get shot down while riding home, and end up in the forest where they have to survive until Robotboy gets his battery recharged. Meanwhile, Kamikazi and Constantine are lurking there too!
Robotboy keeps thinking everything is a danger and he blows up everything, so Moshimo gives Tommy a chip to install into Robotboy that makes him unable to fight. / Kurt, the bully, pretends to be Tommy's friend in order for his dad to clone Robotboy and destroy the original. Tommy falls for it and ditches Gus.
Robotboy keeps thinking everything is a danger and he blows up everything, so Moshimo gives Tommy a chip to install into Robotboy that makes him unable to fight. / It's Halloween, and everyone is having fun. Robotboy dresses as a hunchback, Gus dresses as 'The Guy in the Mask', Lola dresses as a cowgirl and Tommy dresses as Robotboy. Kamikazi thinks Tommy really is Robotboy and captures him.
Kamikazi invents Teasebots, who tease Robotboy and make him so mad and annoyed all the energy drains from him, so he can capture him. / Constantine captures Lola, so Tommy, Gus and Robotboy travel to Kamikazi's base to get her back. But then Gus and Robotboy both get captured too! Can Tommy save the day on his own?