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The Best Episodes of Ben 10: Ultimate Alien

Every episode of Ben 10: Ultimate Alien ranked from best to worst. Let's dive into the Best Episodes of 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...
Genres:AnimationAction & AdventureSci-Fi & FantasyKids

Best Episodes Summary

"The Forge of Creation" is the best rated episode of "Ben 10: Ultimate Alien". It scored 9.1/10 based on 501 votes. Directed by Dan Riba and written by Joe Casey, Joe Kelly, it aired on 11/12/2010. This episode scored 0.1 points higher than the second highest rated, "It's Not Easy Being Gwen".

  • The Forge of Creation
    9.1/10501 votes
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    #1 - The Forge of Creation

    Season 1 Episode 16 - Aired 11/12/2010

    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.

    Director: Dan Riba

    Writer: Joe Casey, Joe Kelly

  • It's Not Easy Being Gwen
    9.0/10523 votes
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    #2 - It's Not Easy Being Gwen

    Season 2 Episode 9 - Aired 4/8/2011

    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 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.

    Director: Matt Youngberg

    Writer: Joe Casey, Joe Kelly

  • Solitary Alignment
    9.0/102 votes
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    #3 - Solitary Alignment

    Season 2 Episode 23 - Aired 12/9/2011

    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.

    Director: Matt Youngberg

    Writer: Peter David

  • The Enemy of My Frenemy
    9.0/102 votes
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    #4 - The Enemy of My Frenemy

    Season 2 Episode 25 - Aired 2/11/2012

    Gwen and co revisit Legerdomain in hopes of rescuing Charmcaster.

    Director: Matt Youngberg

    Writer: David McDermott, Brian Swenlin

  • Couples Retreat
    9.0/102 votes
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    #5 - Couples Retreat

    Season 2 Episode 26 - Aired 2/18/2012

    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.

    Director: Dan Riba

    Writer: Geoffrey Thorne

  • Ben 10,000 Returns
    8.8/10487 votes
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    #6 - Ben 10,000 Returns

    Season 2 Episode 10 - Aired 4/15/2011

    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.

    Director: Matt Youngberg

    Writer: Joe Casey, Joe Kelly

  • Perplexhahedron
    8.7/10434 votes
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    #7 - Perplexhahedron

    Season 1 Episode 15 - Aired 11/5/2010

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

    Director: Matt Youngberg

    Writer: Joe Casey, Joe Kelly

  • Map of Infinity
    8.6/10390 votes
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    #8 - Map of Infinity

    Season 1 Episode 11 - Aired 10/10/2010

    Aggregor has absorbed all the powers of his captured aliens. Now he's after the Map of Infinity.

    Director: Matt Youngberg

    Writer: Joe Casey, Joe Kelly

  • Absolute Power (2)
    8.6/10433 votes
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    #9 - Absolute Power (2)

    Season 1 Episode 20 - Aired 12/10/2010

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

    Director: Dan Riba

    Writer: Joe Casey, Joe Kelly

  • Absolute Power (1)
    8.5/10408 votes
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    #10 - Absolute Power (1)

    Season 1 Episode 19 - Aired 12/10/2010

    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.

    Director: Dan Riba

    Writer: Charlotte Fullerton, Joe Casey, Joe Kelly

  • Catch a Falling Star
    8.5/102 votes
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    #11 - Catch a Falling Star

    Season 2 Episode 27 - Aired 2/25/2012

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

    Director: Butch Lukic

    Writer: Len Uhley

  • Escape from Aggregor
    8.3/10393 votes
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    #12 - Escape from Aggregor

    Season 1 Episode 5 - Aired 5/21/2010

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

    Director: Butch Lukic

    Writer: Charlotte Fullerton, Joe Casey, Joe Kelly

  • Ultimate Aggregor
    8.3/10385 votes
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    #13 - Ultimate Aggregor

    Season 1 Episode 10 - Aired 10/10/2010

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

    Director: Matt Youngberg

    Writer: Joe Casey, Joe Kelly, Matt Youngberg

  • Prisoner #775 Is Missing
    8.3/10371 votes
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    #14 - Prisoner #775 Is Missing

    Season 2 Episode 12 - Aired 4/29/2011

    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.

    Director: Dan Riba

    Writer: Peter David, Joe Casey, Joe Kelly

  • Fused
    8.2/10366 votes
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    #15 - Fused

    Season 1 Episode 8 - Aired 6/11/2010

    Ra'ad, the last of Aggregor's 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.

    Director: Dan Riba

    Writer: Len Uhley, Joe Casey, Duncan Rouleau

  • Where the Magic Happens
    8.2/10395 votes
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    #16 - Where the Magic Happens

    Season 1 Episode 14 - Aired 10/29/2010

    Aggregor escapes to a magical dimension. Gwen asks for Charmcaster's help to pursue him. The team learns about Charmcaster's past and why she's willing to help them now.

    Director: Butch Lukic

    Writer: Joe Casey, Joe Kelly

  • Too Hot to Handle
    8.1/10364 votes
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    #17 - Too Hot to Handle

    Season 1 Episode 6 - Aired 5/28/2010

    P'Andor, escaped from Aggregor, now wants help to escape his encapsulating suit, but Kevin's the first to perceive that that's a fatally bad idea.

    Director: Matt Youngberg

    Writer: Marty Isenberg, Joe Casey, Joe Kelly

  • The Enemy of My Enemy
    8.1/10374 votes
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    #18 - The Enemy of My Enemy

    Season 1 Episode 18 - Aired 12/3/2010

    Argit asks Ben and Gwen for protection from Kevin, so they take him to the nearest Plumbers Academy, but that won't stop Kevin.

    Director: Matt Youngberg

    Writer: Len Uhley, Joe Casey, Duncan Rouleau

  • Nor Iron Bars a Cage
    8.0/10369 votes
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    #19 - Nor Iron Bars a Cage

    Season 1 Episode 17 - Aired 11/19/2010

    Kevin's 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.

    Director: Butch Lukic

    Writer: Joe Casey, Joe Kelly

  • The Purge
    8.0/102 votes
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    #20 - The Purge

    Season 2 Episode 13 - Aired 9/16/2011

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

    Director: Butch Lukic

    Writer: Joe Casey, Joe Kelly

  • Greetings from Techadon
    8.0/102 votes
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    #21 - Greetings from Techadon

    Season 2 Episode 15 - Aired 9/30/2011

    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.

    Director: Dan Riba

    Writer: Charlotte Fullerton, Joe Casey, Joe Kelly

  • The Flame Keeper's Circle
    8.0/102 votes
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    #22 - The Flame Keeper's Circle

    Season 2 Episode 16 - Aired 10/7/2011

    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.

    Director: Dan Riba

    Writer: Joe Casey, Joe Kelly

  • Double or Nothing
    8.0/102 votes
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    #23 - Double or Nothing

    Season 2 Episode 17 - Aired 10/14/2011

    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.

    Director: Matt Youngberg

    Writer: Len Uhley, Joe Casey, Duncan Rouleau

  • The Widening Gyre
    8.0/102 votes
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    #24 - The Widening Gyre

    Season 2 Episode 20 - Aired 11/4/2011

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

    Director: Matt Youngberg

    Writer: Joe Casey, Joe Kelly

  • Inspector #13
    8.0/102 votes
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    #25 - Inspector #13

    Season 2 Episode 24 - Aired 2/4/2012

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

    Director: Butch Lukic

    Writer: Geoffrey Thorne