Ben 10: Season 4, Episode 10
Goodbye and Good Riddance (5 Apr. 2008)
The summer finally ends. Ben and Gwen have to go back to their normal lives. Grandpa Max tells Ben to keep the Omnitrix a secret from everyone, even his parents. Ben agrees, but Vilgax arrives and he'll stop at nothing to get the Omnitrix.
Writers:Joe Casey (creator) (as Man of Action) , Joe Kelly (creator) (as Man of Action) , 4 more credits »
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