This is the season that turns a toy commercial into a paranoia plot, and it works on you before you notice. Ozuma and the Saint Shields don't want to win, they want to seal Dragoon, Driger, Draciel and Dranzer away, which reframes every match as a hostage situation instead of a tournament bracket. Then Team Psykick shows up with cyber Bit-Beasts, lab-grown copies built to rip the originals out of the blades, and the sci-fi hook of ancient beasts versus modern hardware is genuinely the coolest idea the franchise ever had. The art and character designs sharpen up here, and that upbeat rock soundtrack will live in your skull for twenty years whether you asked for it or not. Fair warning: the story wanders badly for long stretches and only snaps into focus in the last few episodes, and the Zeo reveal is the payoff that makes the slog retroactively worth it. Plot first, characters second, but if you were nine and yelling "let it rip" at a plastic stadium, this one still has your number.

After the World Championships, the Bladebreakers have split up and gone their own ways. Then unfamiliar teams start turning up, determined to take the team's BitBeasts, and a mysterious group led by Oozuma defeats them. Oozuma is not the true enemy, though. Behind the attacks are people using cyber-BitBeasts to seize the originals. To protect their BitBeasts, the Bladebreakers must come together once more. Expect a sports story with action, adventure, comedy and sci-fi flavor across 51 episodes.