All of Ben Tennyson's original alien transformations were cool, but some were much more useful than others, like Heatblast and Upgrade.

Five years later, 15-year-old Ben Tennyson chooses to once again put on the Omnitrix and discovers that it has recalibrated and can now transform him into 10 brand new aliens. Joined by his super ...

Ben 10 gets a power-up in the all new series Ben 10: Ultimate Alien that premieres on the Cartoon Network on 10.10.10 (October 10) at - you've guessed it - 10am. The new series takes place a few ...

After the Tennysons are attacked by a villainous, dimension-hopping Omni-alien known only as Alien X, they meet a parallel universe version of Max, who opens the door to hosting multiple Bens and ...