Bakugan: Gundalian Invaders is the third season of Japanese anime T.V series Bakugan Battle Brawlers. It has 39 episodes in length total, and was produced by TMS Entertainment and Japan Vistec. The series premiered in Canada on May 23, 2010, and in the United States on May 29, 2010. This season in particular ended on January 29, 2011 and is followed by a fourth season, Mechtanium Surge. In Japan it premiered on April 3, 2011, taking over the time slot of LilPri at 9:00 AM.