Get a deeper look at Bakugan: Champions of Vestroia - EGM
Bakugan Battle Brawlers (TV Series 2007–2011) - IMDb
Bakugan Stories - Wattpad
Bakugan Wiki on Twitter: "A huge shoutout to @TheRoboSensei for providing all of the missing Battle League literature! Once thought lost, we now have the full story of what happens to Marucho