Ben 10: Ultimate Alien

Ben Tennyson's life as a public hero intensifies as his secret identity leaks out to the world. With the Ultimatrix in hand, he can access a wider range of alien forms, turning heroic feats into bigger battles against a new generation of threats. The stakes stretch beyond schoolyard fame as Ben juggles the expectations of a public gaze with the responsibilities of a real protector. Gwen and Kevin rejoin the mix, bringing their own skills and loyalties to this expanding mission. Each episode pushes Ben to test trust, courage, and the cost of power while mysteries surrounding the Ultimatrix unfold, keeping the action brisk and the dangers personal. The tone blends high action with character moments and humor.

Produced for Cartoon Network by the Man of Action team, Ben 10 Ultimate Alien premiered in 2010 as a new chapter in the Ben 10 universe. It features the voices of Yuri Lowenthal, Ashley Johnson, Greg Cipes and Dee Bradley Baker.

The Ultimatrix at the heart of the series reshapes Ben's powers and the scale of his confrontations. It helped sustain interest in the Ben 10 brand for a new generation, guiding toy releases and sparking discussions about identity and responsibility in a hero's life.

Reception noted the shift toward ongoing arcs and character growth, with praise for the voice work and animation quality. The show probes how power changes relationships and responsibility when a teen superhero has to balance public attention with protecting others.