第 29 集: 眾人前往秋葉原尋找傳說中的 Otacross，而 Daiki 則為了復仇追殺 Ota Red。

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Ban, Ami, Kazu, and Gouda head to Akihabara to look for the legendary Otacross. Little do they know that Daiki is also in Akihabara looking for Ota Red hoping to get revenge. When Ban and company get depressed because no one seems to know where Otacross is at, Otacross comes onto the overhead screen and provides a clue as to where he can be found. Ami solves the clue and leads them to the location the Ota Rangers are located at. In order to claim the legendary LBX Ami must battle Ota Yellow. Meanwhile Gouda stays behind to battle Daiki. Ami uses Pandora's speed, calculations, and the finisher Chaotic Fist to defeat Bibinbird X3 while Gouda sacrifices an arm to pin Joker Mk. 2 and defeat Daiki. As a result Daiki becomes his servant and Ami wins the legendary LBX. The group is taken into Otacross's office where Otacross reveals he can hack into the computer system known as God Gate, but he does not want to. Ami begs him to reconsider, and Otacross decides to help them if they can defeat him in a LBX battle. Otacross controls three LB'x known as RX-1, RX-2, and RX-3. He evades Ban and his friends attacks with ease to begin the battle, and when he begins to attack Ban and his friends are forces them to come together. Otacross then decides to show the true spirit of the Ota and combines his 3 LBX's into Grand RX. (Source: Wikipedia)