第 42 集: Kai 接受 Black Dranzer 並在童年記憶浮現後重新加入 Biovolt

Kai is torn between escaping the Abbey, now known as the Biovolt Corporation (with Biovolt being an acronym for Beybladers Intent On Victory Over Lawless Tyranny), or exploring it further in an attempt to unlock forgotten memories from his childhood. The Bladebreakers attempt to enter the abbey to track down their missing teammate, but are denied access by two of its bladers, Ian and Yuri Ivanov, under orders to stall them. After fighting his way through the tunnels, Kai discovers the existence of Black Dranzer, the world's most powerful Beyblade. Boris offers it to him - but only if Kai quits the Bladebreakers forever and rejoins the Biovolt Corporation. Flooded with memories of using Black Dranzer as a child, and the lure of its dark, corrupting power leads Kai to accept Black Dranzer and rejoin Biovolt. Yuri and Ian are then ordered to tell the Bladebreakers that Kai was caught sneaking around the facility and got a fever for staying too long out in the cold. (Source: Wikipedia)
集數
- 第 38 集 · Bladebreakers 在 Ralf 的球場挑戰歐洲人,爭奪世界錦標賽名額
- 第 39 集 · Kai和Takao擊敗對手,Dark Bladers投降,Daitokuji Kaichou揭露其真實身份。
- 第 40 集 · Bladebreakers 前往莫斯科一座神秘的訓練中心參加 Beyblade 對戰。
- 第 41 集 · Bladebreakers在俄羅斯與對手相遇,同時Kai在Abbey揭開黑暗秘密。
- 第 42 集 · Kai 接受 Black Dranzer 並在童年記憶浮現後重新加入 Biovolt
- 第 43 集 · Bladebreakers 參加莫斯科錦標賽,在面對 Neo Borg 之前尋找失蹤的 Kai
- 第 44 集 · 凱獨自面對新博格,隊友遭擒,Bladebreakers 展開救援行動。
- 第 45 集 · Kai在貝加爾湖向Bladebreakers發起挑戰,引發一場戲劇性的最終決戰。
- 第 46 集 · Kai 將 Black Dranzer 歸還給 Boris,同時 Voltaire 命令 Neo Borg 捕捉 Bit Beasts。