Bakugan has been on tv since April 5, 2007 which saw season 1 began on April 25, 2007 and ended on March 20, 2008 , season 2 New Vestroia began on April 12, 2009 and ended on May 9, 2010, season 3 Gundalian Invaders began on May 23, 2010 and ended on January 29, 2011, season 4 Mechtainum Surge began on February 13, 2011 and ended on January 26, 2012, the latest series is BakuTech! Bakugan which started April 7, 2012.