Plot: All contact with NetNavis in DenTech City's moon station has been lost! While Commander Beef rockets to the moon to investigate, Lan and his friends are trying to learn more about the mysterious new ""ExtraCodes"" rumored to make NetNavis mightier than ever! Then Commander Beef encounters a dangerous new NetNavi, PlanetMan, who's trying to take over the moon. But before the Commander can react he's locked outside the lunar station with only two hours of air left! With Mr