Watch Yu-Gi-Oh! Duel Monsters GX (Sub) - Episode 78

Duel Academy, one of the most prestigious schools in Duel Monster's history. There students learn the fundimentals of becoming not just duelists, but large buisness owners. 

Yuki Judai is a new student with only one thing on his mind, to become the next King Of Games. Jaden meets several friends, teachers, and even enemies at the large Dueling school. There he'll have to face off against several different Dorms to become number one duelist. Slifer Red, Ra Yellow, Obelisk Blue are the three dorms, will Judai be able to pass all of them?

Based on Kazuki Takahashi's world famous anime and manga Yu-Gi-Oh!.