Dan Kuso, Marucho Marukura, and Shun Kazami get caught up in a war between two different alien factions in another universe, teaming up with three new brawlers: the Neathian, Fabia, the new human, Jake, and the undercover Gundalian, Ren, in order to stop the evil Gundalian Protectors, the Twelve Orders, from destroying Neathia, and possibly Earth. They meet these extraterrestrials whenthey enter through the virtual reality Bakugan Interspace. At first, the Brawlers are decieved into thinking that Neathia had started the war against Gundalia but, as the story progresses, the Brawlers realize that its actually the other way around. The stakes are high! Will the Battle Brawlers defeat the Twelve Orders, saving the Bakugan once more? Or will they lose this time?
This is the only series that the Battle Brawlers do not go to Vestroia/New Vestroia.
This is the only series to not have an Attribute Changing Bakugan appear (except for Gate Cards that change Attributes).