>>109486266season 1: Don't want to shut down the supercomputer until they find a way to make Aelita a real girl.
season 2: They flip off the power after bringing Aelita into the real world, but discover XANA stole part of her data and that she'll die without it.
After recovering the missing data Aelita remembers she was always a human and that her father made the computer and uploaded themselves into it to escape the government killsquad sent after them.season 3: XANA has managed to escape from the supercomputer, and uploaded copies of itself and Lyoko onto servers worldwide.