Playback is currently unavailable for S2 E1 · The Transmogrification of Eunice. Episode details remain available below.
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.
- Created by:
- Joe Casey, Duncan Rouleau, Joe Kelly, Steven T. Seagle
- Cast:
- Yuri Lowenthal, Ashley Johnson, Greg Cipes, Dee Bradley Baker
- Language:
- English
- Country:
- United States of America
- Network:
- Cartoon Network
Episode guide
Seasons
Season 2
Episodes
E01
Episode 1
★ 8.7The Transmogrification of Eunice
2011-02-04 · 23mA 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.
Current episode
E02
Episode 2
★ 8.2Eye of the Beholder
2011-02-11 · 23mBen, 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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E03
Episode 3
★ 8.0Viktor: The Spoils
2011-02-18 · 23mThe 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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E04
Episode 4
★ 8.0The Big Story
2011-03-04 · 23mJimmy 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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E05
Episode 5
★ 8.0Girl Trouble
2011-03-11 · 23mGwen 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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E06
Episode 6
★ 8.7Revenge of the Swarm
2011-03-18 · 23mVictor Validus resurfaces and attacks Ben at night. Elena Validus and the nanochips return.
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E07
Episode 7
★ 8.3The Creature from Beyond
2011-03-25 · 23mThe Forever Knights unleash an evil force mistaken for an ancient weapon.
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E08
Episode 8
★ 8.3Basic Training
2011-04-01 · 23mBen, Gwen, and Kevin are summoned to a Plumbers' Academy to go under training that is supervised by Magister Hulka.
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E09
Episode 9
★ 8.7It's Not Easy Being Gwen
2011-04-08 · 23mGwen 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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E10
Episode 10
★ 9.0Ben 10,000 Returns
2011-04-15 · 23mFollowing 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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E11
Episode 11
★ 8.7Moon Struck
2011-04-22 · 23mGrandpa Max tells the team about his first UFO encounter, which led him to meet Verdona.
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E12
Episode 12
★ 8.5Prisoner #775 Is Missing
2011-04-29 · 23mAfter 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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E13
Episode 13
★ 8.3The Purge
2011-09-16 · 23mOld George, the original Forever Knight, reclaims his position, and orders the Knights to remove all aliens on Earth.
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E14
Episode 14
★ 7.8Simian Says
2011-09-23 · 23mSimian asks the team for help when a DNAlien takes over his home world.
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E15
Episode 15
★ 8.3Greetings from Techadon
2011-09-30 · 23mBen 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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E16
Episode 16
★ 8.5The Flame Keeper's Circle
2011-10-07 · 23mJulie 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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E17
Episode 17
★ 8.7Double or Nothing
2011-10-14 · 23mBen 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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E18
Episode 18
★ 7.8The Perfect Girlfriend
2011-10-21 · 23mJulie suddenly leaves a tennis tournament and spends all her time with Ben.
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E19
Episode 19
★ 8.5The Ultimate Sacrifice
2011-10-28 · 23mBen's Ultimate transformations have developed their own personalities. Now they want their freedom from Ben.
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E20
Episode 20
★ 7.8The Widening Gyre
2011-11-04 · 23mColonel Rozum asks the team to investigate an island of garbage where people have been disappearing.
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E21
Episode 21
★ 7.0The Mother of All Vreedles
2011-11-18 · 23mMa Vreedle goes to Earth to expand her family by creating clones and using all the water on Earth.
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E22
Episode 22
★ 8.0A Knight to Remember
2011-12-02 · 23mThe 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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E23
Episode 23
★ 8.8Solitary Alignment
2011-12-09 · 23mAzmuth 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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E24
Episode 24
★ 8.7Inspector #13
2012-02-04 · 23mA Techadon weapon master comes to Earth and wants the Ultimatrix.
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E25
Episode 25
★ 9.4The Enemy of My Frenemy
2012-02-11 · 23mGwen and co revisit Legerdomain in hopes of rescuing Charmcaster.
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E26
Episode 26
★ 9.4Couples Retreat
2012-02-18 · 23mAfter 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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E27
Episode 27
★ 9.0Catch a Falling Star
2012-02-25 · 23mMovie starlet Jennifer Nocturne is recaptured by the evil Captain Nemesis!
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E28
Episode 28
★ 7.8The Eggman Cometh
2012-03-03 · 23mDr. 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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E29
Episode 29
★ 8.2Night of the Living Nightmare
2012-03-10 · 23mAlbedo attempts to get the ultimatrix by invading Ben's mind.
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E30
Episode 30
★ 8.3The Beginning of the End
2012-03-17 · 23mThe final battle between the Forever Knights and Dagon's Esoterica is in full swing, with Ben caught in the middle!
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E31
Episode 31
★ 8.5The Ultimate Enemy (1)
2012-03-24 · 23mDagon is getting closer and closer to entering our dimension thanks to an old foe.
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E32
Episode 32
★ 8.5The Ultimate Enemy (2)
2012-03-31 · 23mVilgax re-emerges in his most powerful form ever! Can Ben stop him and save the universe?
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Yuri Lowenthal
Ben Tennyson (voice)
Ashley Johnson
Gwen Tennyson (voice)
Greg Cipes
Kevin Levin (voice)
Dee Bradley Baker
Humungosaur (voice)