First Aired: Apr. 18, 2008 on Cartoon Network
Season 1 » Episode #02 - Ben 10 Returns (2)
Summary: 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
Who appeared in this episode?
- Originally aired as hour long series premiere episode. Aired immediately after episode 1.