You will watch Ben 10 Ultimate Alien Episode 18 online for free episodes with high quality. Online episode guide, Ben 10 Ultimate Alien 118 The Enemy Of My Enemy.Argit travels to earth to borrow supplies from Kevin for a scam, there he discovers Kevin’s condition and is nearly killed by the insane and vengeful Kevin. Ben and Gwen send Argit to the Plumber’s Academy to protect him from Kevin. While there Argit meets up with the Vreedle brothers (this particular set is training to be plumbers to avoid being assasinated by their father again), where he explains that their father sent him there to rig their grades. Kevin then goes to the Plumber’s Academy to kill Argit…
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