Code Lyoko
S04E05 Skidbladnir
The nearly finished virtual submersible, which Jeremy refers to as a "submarine," just needs a secondary program to be operational by 4 PM the following day. While Aelita and Jeremy burn the midnight oil to finalize the setup, they get caught and land in detention. In the meantime, William seizes the chance to assault the unfinished vessel, prompting Yumi to take control of the Supercomputer in Jeremy's absence. Odd and Ulrich struggle to manage the crisis, but Jeremy and Aelita manage to sneak away just in time to assist. Aelita unleashes a powerful attack to fend off William, enabling Jeremy to finish the sub on schedule. They later name it Skidbladnir, affectionately referred to as "the Skid" by Odd, inspired by the legendary Norse ship.