Arriving at Pegasus' castle, Yuugi and the others are confronted by Kaiba, who must defeat Yuugi in a duel in order to claim the right to duel Pegasus and try to win back Mokuba's soul. As the two duelists face off on the castle roof, Kaiba hatches a plan to fuse all three of his Blue-Eyes White Dragons and create Blue-Eyes Ultimate Dragon. (Source: Wikipedia)

Aired on: 9/18/2000