With the end of the year school dance approaching, the gang sets out on a final mission to retrieve a vital component needed to cure Aelita. Tormented by the startling revelations concerning Franz Hopper and the origins of Lyoko, a troubled Aelita takes drastic action to finally rid the world of X.A.N.A.
Stars: Paul Bandey, David Gasman, Matthew Géczy
Writer(s): Sophie Decroisette, Bruno Regeste, Thomas Romain