X-Men: Evolution
Season 1, Episode 9: Survival of the Fittest
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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.
All Episodes - Season 1
Episode 1
Strategy X
Episode 2
The X-Impulse
Episode 3
Rogue Recruit
Episode 4
Mutant Crush
Episode 5
Speed and Spyke
Episode 6
Middleverse
Episode 7
Turn of the Rogue
Episode 8
SpykeCam
Episode 9
Survival of the Fittest
Episode 10
Shadowed Past
Episode 11
Grim Reminder
Episode 12
The Cauldron (1)
Episode 13
The Cauldron (2)