介绍：一座冰下火山爆發一年過後，融冰釋放出史前時期的神秘元素，引發了無法意料的後果。

介绍：A powerful alien threat arrives on Earth under mysterious circumstances and Barry, Iris and the rest of Team Flash are pushed to their limits mke6.com in a desperate battle to save the world. But with time running out, and the fate of humanity at stake, Flash and his companions will also need to enlist the help of some old friends if the forces of good are to prevail.by