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The Worst Episodes of Ben 10: Ultimate Alien

Every episode of Ben 10: Ultimate Alien ranked from worst to best. Explore the Worst Episodes of Ben 10: Ultimate Alien!

Binge this in 19h 56m•Peaking at 9.5/10

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 Rankings

  1. #1 Worst Episode
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    Ben 10: Ultimate Alien Season 2 Episode 21 - The Mother of All Vreedles
    7.0/10(5 votes)

    #1 - The Mother of All Vreedles

    S2:E21

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

    Director:Dan Riba
    Writers:Joe Casey, Joe Kelly

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  2. Ben 10: Ultimate Alien Season 1 Episode 1 - Fame
    7.3/10(7 votes)

    #2 - Fame

    S1:E1

    Ben's 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.

    Director:Dan Riba
    Writer:Dwayne McDuffie

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  3. Ben 10: Ultimate Alien Season 2 Episode 20 - The Widening Gyre
    7.8/10(5 votes)

    #3 - The Widening Gyre

    S2:E20

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

    Director:Matt Youngberg
    Writers:Joe Casey, Joe Kelly

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  4. Ben 10: Ultimate Alien Season 2 Episode 28 - The Eggman Cometh
    7.8/10(5 votes)

    #4 - The Eggman Cometh

    S2:E28

    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.

    Director:Unknown
    Writer:Unknown

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  5. Ben 10: Ultimate Alien Season 1 Episode 12 - Reflected Glory
    8.0/10(5 votes)

    #5 - Reflected Glory

    S1:E12

    Cash and JT convince the team to allow them to take credit for the team's actions so they can earn money for Cash's mother's operation.

    Director:Matt Youngberg
    Writers:Peter David, Joe Casey, Joe Kelly

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  6. Ben 10: Ultimate Alien Season 1 Episode 13 - Deep
    8.0/10(5 votes)

    #6 - Deep

    S1:E13

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

    Director:Dan Riba
    Writers:Marty Isenberg, Joe Casey, Joe Kelly

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  7. Ben 10: Ultimate Alien Season 2 Episode 3 - Viktor: The Spoils
    8.0/10(5 votes)

    #7 - Viktor: The Spoils

    S2:E3

    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.

    Director:Butch Lukic
    Writers:Joe Casey, Joe Kelly, Kevin Grevioux

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  8. Ben 10: Ultimate Alien Season 2 Episode 4 - The Big Story
    8.0/10(5 votes)

    #8 - The Big Story

    S2:E4

    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.

    Director:Matt Youngberg
    Writers:Ernie Altbacker, Joe Casey, Joe Kelly

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  9. Ben 10: Ultimate Alien Season 2 Episode 5 - Girl Trouble
    8.0/10(5 votes)

    #9 - Girl Trouble

    S2:E5

    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.

    Director:Dan Riba
    Writers:Joe Casey, Joe Kelly

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  10. Ben 10: Ultimate Alien Season 2 Episode 14 - Simian Says
    8.0/10(5 votes)

    #10 - Simian Says

    S2:E14

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

    Director:Matt Youngberg
    Writers:Charlotte Fullerton, Joe Casey, Joe Kelly

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  11. Ben 10: Ultimate Alien Season 2 Episode 18 - The Perfect Girlfriend
    8.0/10(5 votes)

    #11 - The Perfect Girlfriend

    S2:E18

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

    Director:Dan Riba
    Writers:Joe Casey, Joe Kelly

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  12. Ben 10: Ultimate Alien Season 2 Episode 22 - A Knight to Remember
    8.0/10(5 votes)

    #12 - A Knight to Remember

    S2:E22

    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.

    Director:Butch Lukic
    Writers:Len Uhley, Joe Casey, Duncan Rouleau

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  13. Ben 10: Ultimate Alien Season 2 Episode 2 - Eye of the Beholder
    8.2/10(5 votes)

    #13 - Eye of the Beholder

    S2:E2

    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.

    Director:Dan Riba
    Writers:Len Uhley, Joe Casey, Duncan Rouleau

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  14. Ben 10: Ultimate Alien Season 2 Episode 29 - Night of the Living Nightmare
    8.2/10(5 votes)

    #14 - Night of the Living Nightmare

    S2:E29

    Albedo attempts to get the ultimatrix by invading Ben's mind.

    Director:Dan Riba
    Writer:Unknown

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  15. Ben 10: Ultimate Alien Season 1 Episode 6 - Too Hot to Handle
    8.3/10(6 votes)

    #15 - Too Hot to Handle

    S1:E6

    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
    Writers:Marty Isenberg, Joe Casey, Joe Kelly

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  16. Ben 10: Ultimate Alien Season 1 Episode 2 - Duped
    8.4/10(5 votes)

    #16 - Duped

    S1:E2

    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.

    Director:Butch Lukic
    Writer:Len Uhley

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  17. Ben 10: Ultimate Alien Season 1 Episode 4 - Video Games
    8.4/10(5 votes)

    #17 - Video Games

    S1:E4

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

    Director:Dan Riba
    Writers:Joe Casey, Joe Kelly

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  18. Ben 10: Ultimate Alien Season 2 Episode 7 - The Creature from Beyond
    8.4/10(5 votes)

    #18 - The Creature from Beyond

    S2:E7

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

    Director:Dan Riba
    Writers:Len Uhley, Joe Casey, Duncan Rouleau

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  19. Ben 10: Ultimate Alien Season 2 Episode 8 - Basic Training
    8.4/10(5 votes)

    #19 - Basic Training

    S2:E8

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

    Director:Butch Lukic
    Writers:Joe Casey, Joe Kelly, Adam Beechen

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  20. Ben 10: Ultimate Alien Season 2 Episode 13 - The Purge
    8.4/10(5 votes)

    #20 - The Purge

    S2:E13

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

    Director:Butch Lukic
    Writers:Joe Casey, Joe Kelly

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  21. Ben 10: Ultimate Alien Season 2 Episode 15 - Greetings from Techadon
    8.4/10(5 votes)

    #21 - Greetings from Techadon

    S2:E15

    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
    Writers:Charlotte Fullerton, Joe Casey, Joe Kelly

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  22. Ben 10: Ultimate Alien Season 2 Episode 19 - The Ultimate Sacrifice
    8.4/10(5 votes)

    #22 - The Ultimate Sacrifice

    S2:E19

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

    Director:Butch Lukic
    Writers:Joe Casey, Joe Kelly, J. M. DeMatteis

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  23. Ben 10: Ultimate Alien Season 2 Episode 30 - The Beginning of the End
    8.4/10(5 votes)

    #23 - The Beginning of the End

    S2:E30

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

    Director:Butch Lukic
    Writers:Charlotte Fullerton, Eugene Son

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  24. Ben 10: Ultimate Alien Season 2 Episode 32 - The Ultimate Enemy (2)
    8.4/10(5 votes)

    #24 - The Ultimate Enemy (2)

    S2:E32

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

    Director:Dan Riba
    Writer:Dwayne McDuffie

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  25. Ben 10: Ultimate Alien Season 1 Episode 3 - Hit 'Em Where They Live
    8.5/10(4 votes)

    #25 - Hit 'Em Where They Live

    S1:E3

    After Jimmy Jones reveals Ben's 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.

    Director:Matt Youngberg
    Writer:Len Wein

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Worst Episodes Summary

"The Mother of All Vreedles" is the worst rated episode of "Ben 10: Ultimate Alien". It scored 7/10 based on 5 votes. Directed by Dan Riba and written by Joe Casey, Joe Kelly, it aired on 11/18/2011. This episode scored 0.3 points lower than the second lowest rated, "Fame".