Ben finds himself having a seemingly perfect day only to discover that it's a...
Ben 10
Season 4 Episode 10: Goodbye and Good Riddance
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.