Episode 1
Fame
Ben's secret is out. As Ben deals with his newfound fame, a new threat emerges as a thief steals parts of a new advanced spaceship from NASA.
Where to watch Ben 10: Ultimate Alien
TV series
Ben 10: Ultimate Alien
2010TV-Y72 seasons8.2 / 10
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.
Streaming, rental and purchase options
Where to watch in United States
Checked Jul 22, 2026
Ben 10: Ultimate Alien is available to stream on DirecTV On Demand, YouTube TV, and Spectrum On Demand in United States. You can also buy it from Amazon, Apple TV, and Fandango at Home. Use the direct links below to open the provider.
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Synopsis
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.
Season 1 episodes
Choose an episode, then use the watch options above for the show.
Episode 2
Duped
Ben is supposed to attend a tournament to support his girlfriend, but the Forever Knights are trying to break into a museum. Ben tries to use the Ultimatrix to handle all his obligations.
Where to watch Ben 10: Ultimate Alien
Episode 3
Hit 'Em Where They Live
After Jimmy Jones reveals Ben's identity, some of his enemies (such as Zombozo, Rojo, Charmcaster, Vulkanus, and Sevenseven) team up to try to attack his family. Now Ben and his friends have to protect them no matter what.
Where to watch Ben 10: Ultimate Alien
Episode 4
Video Games
Ben gets an offer to star in his own video game, but the designer's real motives are part of a plan to destroy Ben.
Where to watch Ben 10: Ultimate Alien
Episode 5
Escape from Aggregor
The team encounters another alien who escaped from Aggregor and, through him, learns more about Aggregor's goals.
Where to watch Ben 10: Ultimate Alien
Episode 6
Too Hot to Handle
P'Andor, escaped from Aggregor, now wants help to escape his encapsulating suit, but Kevin's the first to perceive that that's a fatally bad idea.
Where to watch Ben 10: Ultimate Alien
Episode 7
Andreas' Fault
Then team encounters another of Aggregor's escaped prisoners, Andreas, whom Argit is using as part of a scheme against the Forever Knights.
Where to watch Ben 10: Ultimate Alien
Episode 8
Fused
Ra'ad, the last of Aggregor's escaped prisoners, attacks Ben and informs the team of the true fate of his comrades. He finds a safe hiding place but one that endangers Ben in the process.
Where to watch Ben 10: Ultimate Alien
Episode 9
Hero Time
Ben meets his hero, Captain Nemesis, who's become jealous of all the attention Ben attracts.
Where to watch Ben 10: Ultimate Alien
Episode 10
Ultimate Aggregor
Aggregor has all five aliens. The Plumbers manage to disable Aggregor's ship, forcing Aggregor to find a new way to absorb their powers. The team makes a last ditch effort to save the alien prisoners.
Where to watch Ben 10: Ultimate Alien
Episode 11
Map of Infinity
Aggregor has absorbed all the powers of his captured aliens. Now he's after the Map of Infinity.
Where to watch Ben 10: Ultimate Alien
Episode 12
Reflected Glory
Cash and JT convince the team to allow them to take credit for the team's actions so they can earn money for Cash's mother's operation.
Where to watch Ben 10: Ultimate Alien
Episode 13
Deep
Aggregor is after the next piece of the map on a watery planet.
Where to watch Ben 10: Ultimate Alien
Episode 14
Where the Magic Happens
Aggregor escapes to a magical dimension. Gwen asks for Charmcaster's help to pursue him. The team learns about Charmcaster's past and why she's willing to help them now.
Where to watch Ben 10: Ultimate Alien
Episode 15
Perplexhahedron
With the fourth piece of the Map of Infinity almost in Aggregor's clutches, the gang chase him through the artificial planetoid known as Perplexahedron.
Where to watch Ben 10: Ultimate Alien
Episode 16
The Forge of Creation
As the team makes its final attempt to stop Aggregor, they find an unexpected ally, and one person will make a fateful decision with lasting repercussions.
Where to watch Ben 10: Ultimate Alien
Episode 17
Nor Iron Bars a Cage
Kevin's out for payback on anyone who has ever crossed him. His next stop is a prison in the Null Void. Ben and Gwen try to stop him, where Ben comes to a grim decision.
Where to watch Ben 10: Ultimate Alien
Episode 18
The Enemy of My Enemy
Argit asks Ben and Gwen for protection from Kevin, so they take him to the nearest Plumbers Academy, but that won't stop Kevin.
Where to watch Ben 10: Ultimate Alien
Episode 19
Absolute Power (1)
Kevin starts going after Plumbers kids to gain more power. Ben and Gwen continue to argue about how to handle the situation. Gwen tries to find someone who will help her cure Kevin.
Where to watch Ben 10: Ultimate Alien
Episode 20
Absolute Power (2)
Final confrontation with Kevin. While Gwen makes a last ditch effort to save Kevin, Ben fights an all out battle with Kevin.
Where to watch Ben 10: Ultimate AlienEpisode information updated Jul 22, 2026
More about Ben 10: Ultimate Alien
Cast
Yuri LowenthalBen Tennyson (voice)
Ashley JohnsonGwen Tennyson (voice)
Greg CipesKevin Levin (voice)
Dee Bradley BakerHumungosaur (voice)
Jeff BennettAzmuth (voice)
Chris PrattCooper (voice)
Greg EllisDagonet / Reporter Chet Rigby (voice)
Scott MenvilleJimmy Jones (voice)Credits
- Created by
- Joe Casey, Duncan Rouleau, Joe Kelly, Steven T. Seagle
- Written by
- Joe Casey, Joe Kelly, Len Uhley, Duncan Rouleau, Charlotte Fullerton, Peter David, Dwayne McDuffie, Marty Isenberg, Geoffrey Thorne, Ernie Altbacker, Kevin Grevioux, Stan Berkowitz, Matt Youngberg, Adam Beechen, Len Wein, David McDermott, Brian Swenlin, Matt Wayne, J. M. DeMatteis, Steven Barnes, Eugene Son
Production details
- Status
- Ended
- Series type
- Scripted
- Episodes
- 52
- Original language
- English
Networks & production
Cartoon NetworkUnited States
Cartoon Network StudiosUnited States
Themes
alienalien racecompassionatecomplexcriticalextraterrestrial technologyjoyfulrelaxed
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