Ben 10: Ultimate Alien

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.

2010 HD 23min TV-Y7 United States English

Joe Kelly Yuri Lowenthal Dee Bradley Baker Greg Cipes Ashley Johnson

Action Adventure

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S1E1 - Fame 2010-04-23

Bens 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.

S1E2 - Duped 2010-04-30

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.

S1E3 - Hit 'Em Where They Live 2010-05-07

After Jimmy Jones reveals Bens 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.

S1E4 - Video Games 2010-05-14

Ben gets an offer to star in his own video game, but the designers real motives are part of a plan to destroy Ben.

S1E5 - Escape from Aggregor 2010-05-21

The team encounters another alien who escaped from Aggregor and, through him, learns more about Aggregors goals.

S1E6 - Too Hot to Handle 2010-05-28

PAndor, escaped from Aggregor, now wants help to escape his encapsulating suit, but Kevins the first to perceive that thats a fatally bad idea.

S1E7 - Andreas' Fault 2010-06-04

Then team encounters another of Aggregors escaped prisoners, Andreas, whom Argit is using as part of a scheme against the Forever Knights.

S1E8 - Fused 2010-06-11

Raad, the last of Aggregors 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.

S1E9 - Hero Time 2010-06-18

Ben meets his hero, Captain Nemesis, whos become jealous of all the attention Ben attracts.

S1E10 - Ultimate Aggregor 2010-10-10

Aggregor has all five aliens. The Plumbers manage to disable Aggregors ship, forcing Aggregor to find a new way to absorb their powers. The team makes a last ditch effort to save the alien prisoners.

S1E11 - Map of Infinity 2010-10-10

Aggregor has absorbed all the powers of his captured aliens. Now hes after the Map of Infinity.

S1E12 - Reflected Glory 2010-10-15

Cash and JT convince the team to allow them to take credit for the teams actions so they can earn money for Cashs mothers operation.

S1E13 - Deep 2010-10-22

Aggregor is after the next piece of the map on a watery planet.

S1E14 - Where the Magic Happens 2010-10-29

Aggregor escapes to a magical dimension. Gwen asks for Charmcasters help to pursue him. The team learns about Charmcasters past and why shes willing to help them now.

S1E15 - Perplexhahedron 2010-11-05

With the fourth piece of the Map of Infinity almost in Aggregors clutches, the gang chase him through the artificial planetoid known as Perplexahedron.

S1E16 - The Forge of Creation 2010-11-12

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.

S1E17 - Nor Iron Bars a Cage 2010-11-19

Kevins 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.

S1E18 - The Enemy of My Enemy 2010-12-03

Argit asks Ben and Gwen for protection from Kevin, so they take him to the nearest Plumbers Academy, but that wont stop Kevin.

S1E19 - Absolute Power (1) 2010-12-10

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.

S1E20 - Absolute Power (2) 2010-12-10

Final confrontation with Kevin. While Gwen makes a last ditch effort to save Kevin, Ben fights an all out battle with Kevin.

S2E1 - The Transmogrification of Eunice 2011-02-04

A mysterious alien girl named Eunice has no memory and is being hunted by Sunder. While evading Sunder, Ben soon discovers that Eunice has nature-based abilities.

S2E2 - Eye of the Beholder 2011-02-11

Ben, Julie and the rest of the heroic crew embark on a dangerous journey that could cost them all their lives in an effort to achieve the safe return of Ship and his former owner Baz-L.

S2E3 - Viktor: The Spoils 2011-02-18

The King of Zarkovia asks the team for help with a civil war. The team agrees to help when they find out Dr. Viktor may be involved.

S2E4 - The Big Story 2011-03-04

Jimmy Jones is looking for the biggest new story he and Ben can tackle, but thats when he stumbles upon a strange pink tentacled creature which crashed from the sky into a near by cave.

S2E5 - Girl Trouble 2011-03-11

Gwen is excited by the prospect of her cousin Sunny paying the team a visit while dealing with the Robots of Dimension 12. But her excitement quickly turns into trepidation when it is uncovered that her cousin is not all that she appears and has some particularly sinister intentions.

S2E6 - Revenge of the Swarm 2011-03-18

Victor Validus resurfaces and attacks Ben at night. Elena Validus and the nanochips return.

S2E7 - The Creature from Beyond 2011-03-25

The Forever Knights unleash an evil force mistaken for an ancient weapon.

S2E8 - Basic Training 2011-04-01

Ben, Gwen, and Kevin are summoned to a Plumbers Academy to go under training that is supervised by Magister Hulka.

S2E9 - It's Not Easy Being Gwen 2011-04-08

Gwen has always been a multi-tasker, trying to juggle school, hobbies, friends and her work as a hero, waking up early and going to sleep late. But Gwens already packed day is about to get worse when Dr. Animo attacks with an army of giant frogs and Gwen is forced to make a hard choice.

S2E10 - Ben 10,000 Returns 2011-04-15

Following a visit from Paradox after a fight with Eon, Ben 10,000 arrives 20 years from the future to seek the aid of his past counterpart in tracking down Eon.

S2E11 - Moon Struck 2011-04-22

Grandpa Max tells the team about his first UFO encounter, which led him to meet Verdona.

S2E12 - Prisoner #775 Is Missing 2011-04-29

After a base is attacked, Max is infuriated when they learn it was a secret alien prison facility. While Max argues with the officer in charge, the team tries to locate an escaped prisoner.

S2E13 - The Purge 2011-09-16

Old George, the original Forever Knight, reclaims his position, and orders the Knights to remove all aliens on Earth.

S2E14 - Simian Says 2011-09-23

Simian asks the team for help when a DNAlien takes over his home world.

S2E15 - Greetings from Techadon 2011-09-30

Ben faces Tecadon killer robots that have been programmed to kill him. Each robot is more powerful than the last one. Bens only chance to survive is for Gwen to find out who commissioned the robots.

S2E16 - The Flame Keeper's Circle 2011-10-07

Julie gets Ben to visit a charity organization who wants to improve the world with alien technology. Ben soon discovers the charitys benefactor is an old enemy.

S2E17 - Double or Nothing 2011-10-14

Ben finds out theres a new show called Ben 10: Live." He finds an old enemy running the show and cashing in on his fame.

S2E18 - The Perfect Girlfriend 2011-10-21

Julie suddenly leaves a tennis tournament and spends all her time with Ben.

S2E19 - The Ultimate Sacrifice 2011-10-28

Bens Ultimate transformations have developed their own personalities. Now they want their freedom from Ben.

S2E20 - The Widening Gyre 2011-11-04

Colonel Rozum asks the team to investigate an island of garbage where people have been disappearing.

S2E21 - The Mother of All Vreedles 2011-11-18

Ma Vreedle goes to Earth to expand her family by creating clones and using all the water on Earth.

S2E22 - A Knight to Remember 2011-12-02

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.

S2E23 - Solitary Alignment 2011-12-09

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.

S2E24 - Inspector #13 2012-02-04

A Techadon weapon master comes to Earth and wants the Ultimatrix.

S2E25 - The Enemy of My Frenemy 2012-02-11

Gwen and co revisit Legerdomain in hopes of rescuing Charmcaster.

S2E26 - Couples Retreat 2012-02-18

After Darkstar opens the Door to Anywhere, Charmcaster comes through, and the two team up to give Ben, Gwen, and Kevin the fight of a lifetime.

S2E27 - Catch a Falling Star 2012-02-25

Movie starlet Jennifer Nocturne is recaptured by the evil Captain Nemesis!

S2E28 - The Eggman Cometh 2012-03-03

Dr. Animo is unexpectedly paroled from prison and starts up a company selling eggs, which in fact contain mutant dinosaurs which he wishes to distribute around the world.