One year after the battle with Belial's Galactic Empire, the members of Ultimate Force Zero returned to Planet Esmeralda to see Princess Emerana. They arrived to see her and Jean Bot captures by a mysterious artificial planet which then took of for another universe. In the Universe where the sphere fled to, Zap Spacy members Rei and Hyuga are forced to infiltrate it, as it is on a collision course with Planet Bram. Inside they encounter various robot monsters, that the Ultramen have fought in the past, all under the control of Beatstar, with one mission: "Destroy all organic life". After saving Emerana, they encounter a robot very similar to Jean Bot, Jean Killer. During their fight with Jean Killer, Zero learns from Jean Bot that Jean Killer is actually his twin brother. Ultimate Force Zero must now put a stop to Killer's rampage and defeat Beatstar in the process. This is part 1 of a 2-part special release to promote the movie Ultraman Saga.

The Dematerialization Phenomenon, in which the real world becomes digital, has become a problem and must be resolved immediately. After hearing of this incident, Netto and Rockman left off after their father and Network Researcher, Yuuichirou. He also had found news of an invasion in the computer of the Trinity Brain trust company: 'The Earth itself will understand the way things stand in the cyber world'. In order to destroy the program causing the incident, Netto and Rockman have to go deep underground. But old enemies await them there, as well as new ones. As they fought each other, the vicious cyber-life, Nebula Grey, awakens. The Dematerialization Phenomenon will not be stopped unless Nebula Grey is defeated.