Yu-Gi-Oh fights the original Dark Magician, Mahado, in a three-thousand-year-old battle, unaware if changing the past will change the present; meanwhile, Yugi, Anzu, Jonouchi, and Honda battle an enemy who has been with them all along.
While the merfolk's kingdom is under attack by the humans, Luffy escapes the castle on Fish-Man Island with the princess and they head to the Fort of the Sea.
Yoh Asakura puts his years of training to the test and fights with his gang in the tournament for the ultimate prize--the chance to become the next Shaman King.
Horohoro must save Lyserg, Tamao, and Manta before they can be destroyed by Hao; and Asakura is one of the gifted shamans in training for the ultimate sports event.
Jaden and his associates battle each other so they can have a chance to duel the legendary Zane "Kaiser" Truesdale, but American duelists David Rabb and Reggie Mackenzie fight in an attempt to obtain Jaden's most trusted card, the Winged Kuriboh.
Jaden finds his skills and his friendships at the Duel Academy tested by the arrival of a mysterious duelist with the power to take over Jaden's title as champion.