Code Lyoko: Evolution Episode 18 Obstinacy Episode Title:Obstinacy.Episode Description:Aelita dreams of her long-lost mother, Anthea. She wakes up and goes to see Jeremy, but finds Laura there with him, working together on the virus to destroy the Cortex. A hurt Aelita leaves, and Laura smugly denies that there was anyone at the door. Jeremy and Laura finish the virus and the group plans to implement it that afternoon, but Odd gets detention and Ulrich sprains his ankle, forcing both of them to opt out. William, Aelita and Yumi go in...