YMMV / Code Lyoko S 1 E 26

• They Wasted a Perfectly Good Plot: Jim proving himself to be a valuable member of the group is forever lost due to Status Quo Is God and Return to the Past wiping out his memories of the event. Which is a shame, as he would have provided a power boost to the team, a role that was unsuccessfully filled by William who is introduced in the next season and doesn't become a full fledged member until the third season finale.