| 1 :01x01 - Ben 10 Returns (1) (Apr/18/2008) | | When Grandpa Max is discovered to be missing, Ben sets out with Gwen and Kevin 11 to find him. While on their search they uncover a secret weapons trade which is being held between two alien groups. | | Writer: Dwayne McDuffie | |
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| 2 :01x02 - Ben 10 Returns (2) (Apr/18/2008) | | Ben, Gwen, and Kevin stow away aboard the ship of their new alien adversaries, and discover that their leader is plotting a campaign to exterminate the human vermin of Earth. Ben also discovers that the Omitrix no longer protects his human form from damage whenever his alien forms are harmed | | Writer: Dwayne McDuffie | |
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| 9 :01x09 - The Gauntlet (Jun/14/2008) | | Ben steals a robotic glove from Kevin's GTO to battle the bullies, but it causes trouble instead. | |
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| 10 :01x10 - Paradox (Jul/05/2008) | | A time traveling hero joins forces with the gang to battle a monster ripped straight from the 1950s. | |
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| 11 :01x11 - Be-Knighted (Jul/12/2008) | | Ben is torn between his mission and the escaped dragon he has captured from the Forever City after learning about both sides of the conflict. | |
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