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——。
The team's camping break is interrupted when a pod crashes nearby. The occupant has no memory who she is or where she came from. Sunder soon arrives to retrieve her.
As the team checks on possible alien activity, they're stopped by a Plumber Magister who accuses them of impersonating Plumbers and orders them not to fight any more aliens until the situation can be sorted out... in a few months. Meanwhile, Darkstar emerges, a new villain who allies himself with the DNAliens to go after Ben and the others.
15 year old Ben Tennyson must utilize the Omnitrix yet again in order to locate his missing Grandpa Max, along with his cousin Gwen and former enemy Kevin 11.
《少年骇客：最终进化》的第二季，精彩延续，看我们的小英雄如何打败新的敌人。
