Synopsis

Following their unsettling encounter with laughing gas during a Science lesson, Team Lyoko finds themselves facing the substance once more, this time as a weapon wielded by Xana. While assisting Sissy with a school production of *Romeo and Juliet*, Ulrich and Yumi are incapacitated by the gas, and Jeremie and Odd succumb to its effects at the factory. The inevitable consequence is a data transfer error, leaving Odd barely able to walk, let alone confront Xana’s monstrous forces. With Aelita oper