S1, E4: After losing his first duel to Kokujo, Shobu is disheartened. He tries to learn the arts of Darkness civilization cards to best Kokujo in a rematch. Will he learn them, and will he win?

S1, E4: After losing his first duel to Kokujo, Shobu is disheartened. He tries to learn the arts of Darkness civilization cards to best Kokujo in a rematch. Will he learn them, and will he win?