Kuro is just an ordinary cat who only wants to protect his owners who are an old couple that can't fend for themselves. One day while on a date with his girlfriend Pooly who is a dog, he is kidnapped by an evil scientist and turned into a robot. Kuro somehow removes the chip that controlled him and notices that people get scared with his new robotic appearance and that he can now talk like a human. He decides to disguise himself with the skin of a stuffed toy and to continue living as a pet.

Thirteen-year-old Takao Kinomiya (Tyson Granger), along with his fellow teammates, Kai Hiwatari, Max Mizuhura (Max Tate), and Rei Kon (Ray Kon), strive to become the greatest Beybladers in the world. With the technical help of the team's resident genius, Kyoujyu (Kenny), and with the powerful strength of their BitBeasts, the Bladebreakers armed with their Beys attempt to reach their goal.