Bakugan Gundalian Invaders Plot Summary: Bakugan Interspace has gone active all across the Earth, and kids are having fun testing their skills against Dan, Shun, and Marucho. However the Brawlers soon learn some Bakugan were sent into an alternate dimension when Vestroia became six different groups. These Bakugan are now at war with each other as the Gunadlians and the Neathians fighting for control of their dimension and looking to recruit the strongest Earthlings to their cause. When the battle spreads to Bakugan Interspace, the Brawlers must decide which side they will join and how they can keep other kids from falling into the politics of war.