Código LyokoTemporada 4 Reemplazar imagenNúmero de episodio1El regreso de WilliamOverviewAfter an epic battle, William reappears at school, but his unusual behavior has attracted the attention of Sissi, editor of the school paper. William, who is clearly still under XANA's control, kidnaps Aelita, taking her back to Lyoko.Air dateAugust 13, 2007Runtime (min)23
