Goodbye and Good Riddance Ben 10 : Season 4 Episode 13
TV-Y7-FV Cartoon Network 22m int(0)
Aired: August 4th, 2007 @ 10:00 AM EST on Cartoon Network
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.