The climax of the episode involves a battle that leads to the villains being sent to the Null Void (Vacío Proyector), a prison dimension. Where to Watch or Download

You can find the episode listed as Los Malos Están De Regreso (Season 2, Episode 13).

After being trapped in space, Kevin finds Vilgax, and they decide to work together to defeat Ben.

"" (English title: " Back With a Vengeance ") is the 13th and final episode of the second season of the original Ben 10 animated series.