Ep. 18: Shobu challenges Gyujiro while Hakuoh undergoes critical surgery.
Aired on December 6, 2004

18
Hakuoh is rushed to the hospital after a duel with Gyujiro, where Dr. Root attempts a life-saving operation. The Battle Arena Tournament Finals cancel the matches between Bucketman and Kokujo, as well as Hakuoh versus Gyujiro, causing crowd unrest. Gyujiro feigns injury, claiming Hakuoh attacked him and will not appear. Shobu arrives and challenges Gyujiro, who is cleared to fight by Stu since he defeated Kokujo and Hakuoh. Gyujiro uses a Wave Strikers deck from Yu Fua, a strategy only Jamira knew, but the crowd forgets this and chants for Shobu to lose. Hakuoh urges Shobu to defeat Gyujiro fairly so he realizes his wrongdoings. Despite Dr. Root's efforts, Hakuoh loses his heartbeat completely.
Episodes
- Ep. 14 · Mimi Challenges Kokujo in the Tournament Finals with a New Strategy
- Ep. 15 · Shobu and Kabutomaru face off in a dramatic finals duel at the Battle Arena Tournament.
- Ep. 16 · Hakuoh Blackmailed by Benny Haha Before Finals Duel
- Ep. 17 · Hakuoh declares a Perfect Duel to protect his friends while Benny Haha reveals past grievances.
- Ep. 18 · Shobu challenges Gyujiro while Hakuoh undergoes critical surgery.
- Ep. 19 · Shobu faces Gyujiro while Hakuoh is revived by his mother's spirit
- Ep. 20 · Hakuoh recovers and urges Shobu to win while Bucketman surrenders to Yu Fua in a Kaijudo duel.
- Ep. 21 · Shobu prepares a new deck for his final duel against Yu Fua in the Battle Arena.
- Ep. 22 · Shobu confronts Fua Ya while allies expose her control and rescue efforts.