袭击了总监的神奇生体兵器，原来是24年前，来过地球的外星人。RENA一直遭到它的幻影干扰，最终还是被它抓去了。异星人企图利用巨大怪兽改变地球环境。为了救处RENA，迪迦起飞了。
It is determined that the mysterious living weapon that attacked the Inspector General is connected to a mysterious alien who came to Earth 24 years ago.
