Release Date
PremieredBen 10: Ultimate Alien Season 1 released on April 23, 2010.
Your Progress
Track your watching progress by signing in
Sign In to Track ProgressSeasons
Fame
Ben's secret identity is exposed, casting him into the spotlight. Elsewhere, an alien plans to detonate a nuclear bomb.
Duped
Ben uses Echo Echo to make two clones of himself to attempt to be in three places at once.
Hit 'Em Where They Live
Zombozo, Charmcaster, and Vulkanus form an alliance and plan to ambush Ben's parents.
Video Games
Will Harangue comes up with a mastermind plan to put an end to Ben, the 'menace'.
Escape from Aggregor
The real story behind Aggregor and his escaped prisoners is revealed.
Too Hot to Handle
After Kevin accidentally releases Aggregor's third prisoner from a suit that protects others from his radiation, the gang has to stop him from radiating the Earth!
Andreas' Fault
The gang encounter Argit, who has teamed up with the Forever Knights and Aggregor's fourth prisoner.
Fused
Ben accidentally gets fused with Aggregor's fifth prisoner who has no plans of getting out of his body!
Hero Time
Ben's childhood hero makes a comeback while he's on a date with a beautiful, young movie actress.
Ultimate Aggregor
Aggregor, having recaptured the five aliens, puts his ultimate plan into action.
Map of Infinity
Ben must stop the newly transformed and extremely dangerous Aggregor from attaining the first piece of the Map of Infinity.
Reflected Glory
Cash and J.T. take credit for Ben's successes, so Psyphon comes back thinking J.T. and Cash were responsible for Vilgax's defeat!
Deep
Ben and the gang travel to a water planet in order to stop Aggregor from obtaining the second piece of the Map of Infinity.
Where the Magic Happens
Gwen is forced to team up with her nemesis, Charmcaster, when the team finds themselves to have to stop Aggregor!
Perplexahedron
With the fourth piece of the Map of Infinity almost in Aggregor's clutches, the gang chase him through the artificial planetoid known as the Perplexahedron.
The Forge of Creation
When Aggregor goes after the limitless power of Alien X, the gang are forced to do whatever it takes...
...Nor Iron Bars a Cage
Old feelings resurface when Kevin returns to the Null Void that housed him for years.
The Enemy of My Enemy
Argit asks for protection from Ben and Gwen after Kevin decides to finish him off.
Absolute Power (1)
When Ben and Gwen are faced with an unexpected enemy, Gwen turns to Darkstar for help.
Absolute Power (2)
Gwen and Ben have to do whatever it takes to bring down the "mad dog" Kevin.
Ben 10: Ultimate Alien
Season 1
Release Date
PremieredBen 10: Ultimate Alien Season 1 released on April 23, 2010.
Your Progress
Track your watching progress by signing in
Sign In to Track ProgressFame
Ben's secret identity is exposed, casting him into the spotlight. Elsewhere, an alien plans to detonate a nuclear bomb.
Duped
Ben uses Echo Echo to make two clones of himself to attempt to be in three places at once.
Hit 'Em Where They Live
Zombozo, Charmcaster, and Vulkanus form an alliance and plan to ambush Ben's parents.
Video Games
Will Harangue comes up with a mastermind plan to put an end to Ben, the 'menace'.
Escape from Aggregor
The real story behind Aggregor and his escaped prisoners is revealed.
Too Hot to Handle
After Kevin accidentally releases Aggregor's third prisoner from a suit that protects others from his radiation, the gang has to stop him from radiating the Earth!
Andreas' Fault
The gang encounter Argit, who has teamed up with the Forever Knights and Aggregor's fourth prisoner.
Fused
Ben accidentally gets fused with Aggregor's fifth prisoner who has no plans of getting out of his body!
Hero Time
Ben's childhood hero makes a comeback while he's on a date with a beautiful, young movie actress.
Ultimate Aggregor
Aggregor, having recaptured the five aliens, puts his ultimate plan into action.
Map of Infinity
Ben must stop the newly transformed and extremely dangerous Aggregor from attaining the first piece of the Map of Infinity.
Reflected Glory
Cash and J.T. take credit for Ben's successes, so Psyphon comes back thinking J.T. and Cash were responsible for Vilgax's defeat!
Deep
Ben and the gang travel to a water planet in order to stop Aggregor from obtaining the second piece of the Map of Infinity.
Where the Magic Happens
Gwen is forced to team up with her nemesis, Charmcaster, when the team finds themselves to have to stop Aggregor!
Perplexahedron
With the fourth piece of the Map of Infinity almost in Aggregor's clutches, the gang chase him through the artificial planetoid known as the Perplexahedron.
The Forge of Creation
When Aggregor goes after the limitless power of Alien X, the gang are forced to do whatever it takes...
...Nor Iron Bars a Cage
Old feelings resurface when Kevin returns to the Null Void that housed him for years.
The Enemy of My Enemy
Argit asks for protection from Ben and Gwen after Kevin decides to finish him off.
Absolute Power (1)
When Ben and Gwen are faced with an unexpected enemy, Gwen turns to Darkstar for help.
Absolute Power (2)
Gwen and Ben have to do whatever it takes to bring down the "mad dog" Kevin.