Ep. 46: Kai returns Black Dranzer to Boris while Voltaire orders Neo Borg to capture Bit Beasts.

Kai returns Black Dranzer to Boris, damaging the enemy headquarters. Voltaire orders the Neo Borg to capture the stolen Bit Beasts from the blade. Kai informs the Bladebreakers that Biovolt Corporation is creating war-ready Bit Beasts to take over the world. Kaichou, Ryu, and Mr. Kinomiya join them. Mr. Kinomiya explains he was hired by Kaichou for archaeological research on Bit Beasts. Boris approached him, claiming to design Bit Beasts from real creature DNA. Russian police linked Boris to Voltaire, president of Biovolt and head of a secret criminal organization. Mr. Kinomiya contacted Kaichou. Kai reveals Voltaire is his grandfather, explaining his upbringing in the Abbey. The Neo Borg then attack the BBA bus. Max fights Ian, but Sergei and another team member join in. Sergei knocks Max out and steals Draciel.
Episodes
- Ep. 42 · Kai accepts Black Dranzer and rejoins Biovolt after childhood memories resurface
- Ep. 43 · Bladebreakers attend Moscow championships while searching for missing Kai before facing Neo Borg
- Ep. 44 · Kai faces the Neo Borg alone while his teammates are captured and the Bladebreakers attempt a rescue.
- Ep. 45 · Kai challenges the Bladebreakers at Lake Baikal, leading to a dramatic final battle.
- Ep. 46 · Kai returns Black Dranzer to Boris while Voltaire orders Neo Borg to capture Bit Beasts.
- Ep. 47 · Bladebreakers face Ralf's challenge in the Russian Tundra to unlock inner power
- Ep. 48 · Kai faces Sergei in the World Championship Finals while resisting Voltaire's dark offer.
- Ep. 49 · Rei battles Bryan in the World Beyblade Finals, using Driger to tie the match against the Neo Borg.
- Ep. 50 · Rei hospitalized after match as Takao trains against cyborg Yuri while Max's parents upgrade Dragoon