After the AO cause accidental destruction, Dan’s parents question whether the kids should be allowed to keep their Bakugan. Lia disagrees with her new Bakugan Pegatrix on battle techniques, but during a fierce fight Lia must rely on Pegatrix's battle savy.
“Bakugan Battle Planet” follows the adventures of Dan Kouzoand his best friends: the first kids on Earth to bond with the mysterious creatures known as Bakugan! When Bakugan begin emerging from the earth’s crust in a mysterious worldwide “awakening” Dan and his friends must learn how to work with their Bakugan and deploy them in battle in order to survive the endless forces out to control, enslave or destroy the mysterious race of creatures. Dan and “The Awesome ones” must protect their Bakugan, the Earth and ultimately the incredible secret hidden beneath their feet.