Ben 10: Ultimate Alien is an American animated television series – the third incarnation of Cartoon Network’s Ben 10 franchise. It was slated to premiere after the series finale of Ben 10: Alien Force, which was on March 26, 2010. The show itself aired on April 23, 2010 in the US and in the UK and Latin America on October 10, 2010 at 10am.
OR Season 3
The PurgeRate
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Old George, the original Forever Knight, reclaims his position, and orders the Knights to remove all aliens on Earth.
Simian SaysRate
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Simian asks the team for help when a DNAlien takes over his home world.
Greetings from TechadonRate
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Ben faces Tecadon killer robots that have been programmed to kill him. Each robot is more powerful than the last one. Ben's only chance to survive is for Gwen to find out who commissioned the robots.
The Flame Keeper's CircleRate
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Julie gets Ben to visit a charity organization who wants to improve the world with alien technology. Ben soon discovers the charity's benefactor is an old enemy.
Double or NothingRate
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Ben finds out there's a new show called 'Ben 10: Live.' He finds an old enemy running the show and cashing in on his fame.
The Perfect GirlfriendRate
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Julie suddenly leaves a tennis tournament and spends all her time with Ben.
Ultimate SacrificeRate
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Ben's Ultimate transformations have developed their own personalities. Now they want their freedom from Ben.
The Widening GyreRate
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Colonel Rozum asks the team to investigate an island of garbage where people have been disappearing.
The Mother of All VreedlesRate
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Ma Vreedle goes to Earth to expand her family by creating clones and using all the water on Earth.
A Knight to RememberRate
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The Flame Keepers realize their mistake too late. Vilgax wants the power of Daigon. The Forever Knights are out to destroy Daigon. Ben and the team try to sort things out.
Solitary AlignmentRate
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Azmuth reveals the origin of the sword and how he first encountered Old George. Ben comes to a decision on how to handle the Daigon.
Inspector #13Rate
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A Techadon weapon master comes to Earth and wants the Ultimatrix.
The Enemy of My FrenemyRate
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Gwen and co revisit Legerdomain in hopes of rescuing Charmcaster. Introducing NEW ALIEN, Eetle!
Couples RetreatRate
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Charmcaster & Darkstar team up to destroy Ben, Gwen and Kevin.
Catch a Falling StarRate
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Movie starlet Jennifer Nocturne is recaptured by the evil Captain Nemesis!
The Egg Man ComethRate
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Dr. Animo returns! Introducing NEW ALIEN, Juryrigg!
Night of the Living NightmaresRate
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Albedo attempts to get the ultimatrix by invading Ben's mind.
The Beginning of the EndRate
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The final battle between the Forever Knights and Dagon's Esoterica is in full swing, with Ben caught in the middle!
The Ultimate Enemy: Part 1Rate
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The Forever Knights battle Diagon's Esoterica, and Ben's plan to help the knights fails.
The Ultimate Enemy: Part 2Rate
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After defeating Vilgax, Ben battles Dagon in his True Form as Ultimate Way Big.