"Formula for Success", known as "Oxygen + Hydrogen = H²O Dragon" in the Japanese version, is the twelfth episode of the Yu-Gi-Oh! GX anime. It first aired in Japan on December 22, 2004 and in the United States on October 26, 2005.
Bastion Misawa and Chazz Princeton prepare for a Duel against one another, with Chazz's seat in Obelisk Blue on the line. At the same time, both Bastion's friendship and rivalry with Jaden Yuki deepen.
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