Tserver Tserver Oserver Hserver Episode 1 Episode 1 Episode 2 Episode 3 Episode 4 Episode 5 Episode 6 Episode 7 Episode 8 Episode 9 Episode 10 Episode 11 Episode 12 Episode 13 Episode 14 Episode 15 Episode 16 Episode 17 Episode 18 Episode 19 Episode 20 Episode 21 Episode 22 Watch Bakugan: Gundalian Invaders - Episode 1 Online Aired: May 23, 2010 to Jan 29, 2011 TV - (Currently Airing)