The season kicks off with "Vengeance of Vilgax," where a significantly more powerful Vilgax returns to challenge Ben for the Earth.
After the massive Highbreed war, Ben's newfound fame begins to affect his personality, making him more arrogant and overconfident. Major Story Arcs Ben 10: Alien Force Season 03 (Dub)
After a failed attempt to hack the Omnitrix, Kevin is mutated into a new amalgam form, which serves as a major conflict throughout the season. The season kicks off with "Vengeance of Vilgax,"