The "Valiant" and its crew are taken over by hostile alien life-forms which can control the minds of anyone they touch and Stormer, Rocka, and Breez must stop the ship from crashing into the Hero Factory in Makuhero City.
The heroes of Hero Factory must find Core Hunter, an escaped prisoner, before he recovers the components of Doom Box, a super-weapon that can destroy an entire galaxy.
The heroes of Hero Factory must find Stringer, a teammate from the planet Tranquis VII who goes missing, and it is up to Bulk and Furno to figure out what happened.
When Blank Phantom assembles an army of criminals to battle the Hero Factory, the heroes Thresher, Von Ness, Stringer, Bulk, and Stormer must come up with a way to defeat them, or else see the galaxy become an empire of crime.
The heroes receive dire news: prior to their original capture, Core Hunter, Voltix, XT4, and Thornaxx stole four components of what is said to be a devastating super-weapon called "The Doom Box.".
The heroes of Hero Factory must find Stringer, a teammate from the planet Tranquis VII who goes missing, and it is up to Bulk and Furno to figure out what happened.
The "Valiant" and its crew are taken over by hostile alien life-forms which can control the minds of anyone they touch and Stormer, Rocka, and Breez must stop the ship from crashing into the Hero Factory in Makuhero City.