Ben 10: Ultimate Alien

2010, TV Show

Full Episodes(54)

Latest Episode: The Ultimate Enemy Pt. 2

Mar 30, 2012 Season 5 Episode 7 watch on (Paid)

Vilgax re-emerges in his most powerful form ever! Can Ben stop him?

The Ultimate Enemy: Part 2

Mar 31, 2012 Season 2 Episode 32

After defeating Vilgax, Ben battles Dagon in his True Form as Ultimate Way Big.
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The Ultimate Enemy: Part 1

Mar 24, 2012 Season 2 Episode 31

The Forever Knights battle Diagon's Esoterica, and Ben's plan to help the knights fails.
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The Beginning of the End

Mar 17, 2012 Season 2 Episode 30

The final battle between the Forever Knights and Dagon's Esoterica is in full swing, with Ben caught in the middle!
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Night of the Living Nightmare

Mar 10, 2012 Season 2 Episode 29

Albedo attempts to get the Ultimatrix by invading Ben's mind.
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The Eggman Cometh

Mar 03, 2012 Season 2 Episode 28

Dr. Animo returns, and a new alien arrives: Juryrigg.
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Catch a Falling Star

Feb 25, 2012 Season 2 Episode 27

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

Feb 18, 2012 Season 2 Episode 26

Charmcaster and Darkstar team up to destroy Ben, Gwen and Kevin.
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The Enemy of My Frenemy

Feb 11, 2012 Season 2 Episode 25

Gwen and company revisit Legerdomain in hopes of rescuing Charmcaster.
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Solitary Alignment

Dec 09, 2011 Season 2 Episode 23

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.
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A Knight to Remember

Dec 02, 2011 Season 2 Episode 22

The Flame Keepers realize their mistake too late. Vilgax wants the power of Daigon. The Forever Knights are out to destroy Daigon.
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The Mother of All Vreedles

Nov 18, 2011 Season 2 Episode 21

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

Nov 04, 2011 Season 2 Episode 20

Col. Rozum asks the team to investigate an island of garbage where people have been disappearing.
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The Ultimate Sacrifice

Oct 28, 2011 Season 2 Episode 19

Ben's Ultimate transformations have developed their own personalities. Now they want their freedom from Ben.
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The Perfect Girlfriend

Oct 21, 2011 Season 2 Episode 18

Julie suddenly leaves a tennis tournament and spends all her time with Ben.
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Double or Nothing

Oct 14, 2011 Season 2 Episode 17

Albedo, aka Negative Ben, resurfaces, and he's making money off of Ben's fame, but for what?
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Flame Keeper's Circle

Oct 07, 2011 Season 2 Episode 16

Julie gets Ben to visit a charity that wants to improve the world with alien technology. Ben soon discovers the charity's benefactor is an old enemy.
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Greetings From Techadon

Sep 30, 2011 Season 2 Episode 15

Ben faces Tecadon robots that have been programmed to kill him. Ben's only chance to survive is for Gwen to find out who commissioned the robots.
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Simian Says

Sep 23, 2011 Season 2 Episode 14

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

Sep 16, 2011 Season 2 Episode 13

Old George, the original Forever Knight, reclaims his position, and orders the Knights to remove all aliens on Earth.
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Prisoner Number 775 is Missing

Apr 29, 2011 Season 2 Episode 12

After a base is attacked, Max is infuriated when they learn it was a secret alien prison facility. The team tries to locate an escaped prisoner.
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Moonstruck

Apr 22, 2011 Season 2 Episode 11

Grandpa Max tells the team about his first UFO encounter, which led him to meet Verdona.
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Ben 10,000 Returns

Apr 15, 2011 Season 2 Episode 10

Twenty years in the future, Eon attacks Ben 10,000, then disappears. Adult Ben travels back in time fearing Eon will attack his younger self.
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It's Not Easy Being Gwen

Apr 08, 2011 Season 2 Episode 9

Gwen Tennyson has a busy schedule, balancing her family life, school, a friend's recital and the latest plot by Dr. Animo.
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Basic Training

Apr 01, 2011 Season 2 Episode 8

Ben and co are forced to go through basic training at the Plumber's Academy.
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The Creature from Beyond

Mar 25, 2011 Season 2 Episode 7

The Forever Knights crack open an ancient vault hoping to find weapons, yet by doing so, they unwittingly release a creature.
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Revenge of the Swarm

Mar 18, 2011 Season 2 Episode 6

Victor Validus launches an attack on Ben. Later, the team turns to Ben's friend, Victor's daughter Elena, for help to locate the Nanite Queen.
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Girl Trouble

Mar 11, 2011 Season 2 Episode 5

Cousin Sunny is staying with Gwen for the summer. The team learns why Sunny's parents sent her to Gwen when she helps the gang stop a robot invasion.
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The Big Story

Mar 04, 2011 Season 2 Episode 4

Ben 10 super-fan, Jimmy, saves our heroes from an evil alien plant species.
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Viktor: The Spoils

Feb 18, 2011 Season 2 Episode 3

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.
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The Eye of the Beholder

Feb 11, 2011 Season 2 Episode 2

Ship's former owner, Baz-L, has been captured and Ben, Julie, and co. set out to save him.
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The Transmogrification of Eunice

Feb 04, 2011 Season 2 Episode 1

The team's camping break is interrupted when a pod crashes nearby. The ship's occupant has no memory of who she is or where she came from.
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Ben 10: Ultimate Alien Clips & Interviews collapse view

Alien Backfire
Ben 10's Biggest Fan
Welcome to Basic
Magic Hacker
Adwaita Freed
Lucubra Attack
Weapon Master
Techadorian Multiblaster
Behemoth Bargaining
Dark Powers
Back to Ledgerdomain
Followers of the First Knight
One-Boy Alien Invasion
Forever Knights Revenge
Power Decoupler

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