时长: / 首播:2001-10-20
While Professor X has to mend Juggernaut's stasis cell, the younger X-Men trick Cyclops and Jean Grey into leaving the Mansion in order to have a party. Note: First appearance of Arcade. Also in this episode, Risty is revealed to be Mystique.

Error: Just after Webber gains access to the Cerebro computer, part of the Cerebro screen appears in front of Risty for a second.