Ben 10: Ultimate Alien (2010)
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.
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Episode 1 - The Transmogrification of Eunice
Release Date: 2011-02-04A 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.
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Episode 2 - Eye of the Beholder
Release Date: 2011-02-11Ben, 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.
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Episode 3 - Viktor: The Spoils
Release Date: 2011-02-18The 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.
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Episode 4 - The Big Story
Release Date: 2011-03-04Jimmy 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.
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Episode 5 - Girl Trouble
Release Date: 2011-03-11Gwen 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.
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Episode 6 - Revenge of the Swarm
Release Date: 2011-03-18Victor Validus resurfaces and attacks Ben at night. Elena Validus and the nanochips return.
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Episode 7 - The Creature from Beyond
Release Date: 2011-03-25The Forever Knights unleash an evil force mistaken for an ancient weapon.
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Episode 8 - Basic Training
Release Date: 2011-04-01Ben, Gwen, and Kevin are summoned to a Plumbers' Academy to go under training that is supervised by Magister Hulka.
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Episode 9 - It's Not Easy Being Gwen
Release Date: 2011-04-08Gwen 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 Gwen's 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.
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Episode 10 - Ben 10,000 Returns
Release Date: 2011-04-15Following 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.
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Episode 11 - Moon Struck
Release Date: 2011-04-22Grandpa Max tells the team about his first UFO encounter, which led him to meet Verdona.
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Episode 12 - Prisoner #775 Is Missing
Release Date: 2011-04-29After 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.
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Episode 13 - The Purge
Release Date: 2011-09-16Old George, the original Forever Knight, reclaims his position, and orders the Knights to remove all aliens on Earth.
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Episode 14 - Simian Says
Release Date: 2011-09-23Simian asks the team for help when a DNAlien takes over his home world.
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Episode 15 - Greetings from Techadon
Release Date: 2011-09-30Ben 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.
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Episode 16 - The Flame Keeper's Circle
Release Date: 2011-10-07Julie 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.
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Episode 17 - Double or Nothing
Release Date: 2011-10-14Ben 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.
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Episode 18 - The Perfect Girlfriend
Release Date: 2011-10-21Julie suddenly leaves a tennis tournament and spends all her time with Ben.
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Episode 19 - The Ultimate Sacrifice
Release Date: 2011-10-28Ben's Ultimate transformations have developed their own personalities. Now they want their freedom from Ben.
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Episode 20 - The Widening Gyre
Release Date: 2011-11-04Colonel Rozum asks the team to investigate an island of garbage where people have been disappearing.
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Episode 21 - The Mother of All Vreedles
Release Date: 2011-11-18Ma Vreedle goes to Earth to expand her family by creating clones and using all the water on Earth.
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Episode 22 - A Knight to Remember
Release Date: 2011-12-02The 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.
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Episode 23 - Solitary Alignment
Release Date: 2011-12-09Azmuth reveals the origin of the sword and how he first encountered Old George. Ben comes to a decision on how to handle the Daigon.
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Episode 24 - Inspector #13
Release Date: 2012-02-04A Techadon weapon master comes to Earth and wants the Ultimatrix.
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Episode 25 - The Enemy of My Frenemy
Release Date: 2012-02-11Gwen and co revisit Legerdomain in hopes of rescuing Charmcaster.
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Episode 26 - Couples Retreat
Release Date: 2012-02-18After 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.
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Episode 27 - Catch a Falling Star
Release Date: 2012-02-25Movie starlet Jennifer Nocturne is recaptured by the evil Captain Nemesis!
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Episode 28 - The Eggman Cometh
Release Date: 2012-03-03Dr. 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.
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Episode 29 - Night of the Living Nightmare
Release Date: 2012-03-10Albedo attempts to get the ultimatrix by invading Ben's mind.
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Episode 30 - The Beginning of the End
Release Date: 2012-03-17The final battle between the Forever Knights and Dagon's Esoterica is in full swing, with Ben caught in the middle!
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Episode 31 - The Ultimate Enemy (1)
Release Date: 2012-03-24Dagon is getting closer and closer to entering our dimension thanks to an old foe.
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Episode 32 - The Ultimate Enemy (2)
Release Date: 2012-03-31Vilgax re-emerges in his most powerful form ever! Can Ben stop him and save the universe?