在这部叛逆性百万亚瑟王动画片中,圣剑“Excalibur”。
以不列颠的统治为目标，为了确定王而准备的选定之剑。
拔出此剑之人将被称作“亚瑟”，并获得强大的力量。
但，拔出Excalibur的不止一人。
随着力量的大量产生，传说发生泛滥，并引发历史的歪曲。
为了将历史导向正轨，被称为团长、铁拳、山猫、阁下、炼金、流浪的六位亚瑟，
降临到过去之地“不列颠”。
他们的使命，是将歪曲历史的Excalibur全部折断。
其数量，约有100万。
这是，对过去的叛逆。
以及，守护未来现在的战斗——。
King Arthur and his mighty sword Excalibur are a legend that has lasted throughout eternity. But unknown to many, Excalibur has enabled Arthur to be reborn throughout the years as various different people for each generation. Due to Excalibur's massive power in enabling these avatars to exist, history has undergone a distortion that will warp space and time and destroy everything. A special squad of Arthurs are assembled to correct this distortion.
