While on summer vacation, Ben Tennyson stays with his grandfather, Max Tennyson, and cousin, Gwendolyn Tennyson. During his stay in a camp, Ben discovers the Omnitrix, an alien device which allows him to change his DNA to that of various aliens’ and take on their form. Ben uses the device to avert disasters, save people from terror, and fight off hostile villains including Vilgax, an alien warlord bent on using the Omnitrix to outfit an alien army. He also protects omnitrix from evils so they can not make worst use of its powers. Ben also keeps this all situation a secret from his parents but only grandpa Max and Gwen know this secret. Ben saves people from alien invasions as well as street crimes too. People know him as a great super hero but Ben is restricted and unable to reveal his secret.
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