Earth and the parallel universe called Lyoko face the threat of annihilation. A super virus, X.A.N.A., has infected the central processing units of the Super Computer. Only four kids know of the existence of Lyoko and can foil the mad computer's evil designs. Yumi, Ulrich, Odd and Jeremy lead double lives, ordinary boarding school students on earth and super heroes in the digital world of Lyoko. Their only guide in this mysterious world is Aelita a virtual being that lives in Lyoko. With her help they fight X.A.N.A to save Lyoko and Earth.
Spoken Languages: English.