There's a time to go hero, and there's a time to go ultimate!
With his secret identity now revealed to the world, Ben Tennyson continues to fight evil as a superhero with the help of the newly acquired Ultimatrix.
Ben 10: Ultimate Alien (2010) is a animation, action & adventure, sci-fi & fantasy and kids series that premiered on April 23, 2010, spanning 2 seasons and 52 episodes. It stars Yuri Lowenthal, Ashley Johnson, Greg Cipes and Dee Bradley Baker. Viewers rate it 8.2 out of 10 across 903 ratings.
Watch the official trailer for Ben 10: Ultimate Alien before you start streaming.
Yuri Lowenthal
as Ben Tennyson (voice)
Ashley Johnson
as Gwen Tennyson (voice)
Greg Cipes
as Kevin Levin (voice)
Dee Bradley Baker
as Humungosaur (voice)
Average viewer score of 8.2/10 from 903 ratings.
🌟 10/10 – The Pinnacle of Ben 10: Complex, Mature, Unmatched 🌟 Ben 10: Ultimate Alien is the best in the franchise, blending epic storytelling, complex character arcs, and high-stakes action in a seamless ride. It’s a dramatic evolution from its predecessors, diving deep into the consequences of Ben’s growing powers and responsibilities. The Ultimatrix takes the story to new heights, demanding not just strength,…
Reviewed on August 3, 2025
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Ben 10: Ultimate Alien (2010) is available to stream on YouTube TV, with episodes also available to buy from Amazon Video, Apple TV Store and Fandango At Home. Availability comes from JustWatch data and varies by country.
Ben 10: Ultimate Alien has 2 seasons and 52 episodes in total, starting from its premiere on April 23, 2010.
No. Ben 10: Ultimate Alien is marked as ended, with the final episode airing on March 31, 2012.
Ben 10: Ultimate Alien (2010) stars Yuri Lowenthal, Ashley Johnson, Greg Cipes and Dee Bradley Baker. The full cast list with character names is available in the cast section of this page.
Ben 10: Ultimate Alien (2010) is rated 8.2 out of 10 from 903 viewer votes, and suits viewers who like animation, action & adventure and sci-fi & fantasy series. Reviews from viewers are collected further down this page.
The official Ben 10: Ultimate Alien trailer is embedded in the trailer section of this page and plays instantly in your browser.
