Along with Riruru, Judo travels to the Earth and use his electromagnetic wave to transport various robotic parts to the North Pole. However, since Nobita discovers the foot part and brings it back to his room, Judo follows him and instead brings all the part to the Nobis' Residence instead. After all the parts are transported, Judo is put into the cabinet in the garden by Tamako after he tripped her several times. Judo's brain was later "repaired" by Doraemon to uses him to fight against Mechato