– Argit seeks protection from Ben and Gwen at the Plumber Academy as an enraged Kevin tracks him down.
Dagon breaks through into the physical universe, taking control of the minds of billions of people. Vilgax absorbs the entity's power, becoming a cosmic titan. Episode 52: "The Ultimate Enemy: Part 2"
As of 2026, all 52 episodes of Ben 10: Ultimate Alien are available on: ben 10: ultimate alien all episodes
Ben 10: Ultimate Alien is the third installment in Cartoon Network's popular animated Ben 10 franchise, and it represents a bold evolution for the series. Serving as a direct sequel to Ben 10: Alien Force (2008–2010), the show follows a 16-year-old Ben Tennyson as he takes on new threats with a powerful new device, the Ultimatrix. This article provides a comprehensive guide to all of Ben 10: Ultimate Alien, exploring its plot, characters, production, and legacy.
A creature from the Null Void attacks.
This is the primary streaming home for all Ben 10 series in the U.S.
If you want, I can:
This season follows Ben's team—Gwen Tennyson and Kevin Levin—as they try to save five kidnapped aliens: Bivalvan, Galapagus, P'Andor, Andreas, and Ra'ad.