Gundalian Showdown
The brawlers must head back to Neathia to defend it from Dharak's attack but Kazarina, Stoica, Gill and Airzel are determined to keep them on Gundalia. The brawlers manage to fight them off and escape, but Fabia remains behind to fight Kazarina, as she has a vendetta against her for the death of her fiance, Jin.
Aired 08/01/2011EP 36 - Gundalian Showdown
Bakugan: Gundalian Invaders
Dan, Marucho, and Shun get caught up in a war between two different alien factions in another universe, and teaming up with three new brawlers: the Neathian, Fabia, the new human, Jake, and the Gundalian, Ren, in order to stop the evil Gundalian Protectors, the Twelve Orders from destroying Neathia, and possibly, Earth. They meet these people by them entering through the virtual reality Bakugan Interspace. The stakes are high! Will the Battle Brawlers triumph, saving the Bakugan once more?
(Source: Bakugan Wikia)