Survival of the Fittest X-Men: Evolution : Season 1 Episode 9
TV-Y7 The WB 23m int(0)
Aired: March 3rd, 2001 @ 10:00 AM EST on The WB
While the X-Men are at a summer camp, learning survival training, Mystique releases Cain Marko - the unstoppable Juggernaut - in hopes of getting his help in obtaining Xavier's mutant location system.