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The Worst Episodes of Ben 10: Alien Force

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

Binge this in 17h 38m•Peaking at 9.2/10

15-year-old Ben Tennyson chooses to once again put on the Omnitrix and discovers that it has recalibrated and can now transform him into 10 brand-new aliens. Joined by his super-powered cousin Gwen Tennyson and his

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Episode Rankings

  1. #1 Worst Episode
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    Ben 10: Alien Force Season 3 Episode 4 - Fool's Gold
    6.2/10(648 votes)

    S3:E4

    A species of goat-like aliens comes to Earth for a popcorn festival. Ben, Gwen, and Kevin have a big problem when one of the aliens eats meat and turns into a monster.

    Director:Dan Riba
    Writer:Unknown

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  2. Ben 10: Alien Force Season 3 Episode 6 - Don't Fear the Repo
    6.4/10(640 votes)

    S3:E6

    Ship's owner decides he wants him back and hires some repo men to retrieve him. Ben and Kevin go to court to take care of things legally, leaving Gwen and Julie to face the repo men.

    Director:Unknown
    Writer:Charlotte Fullerton

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  3. Ben 10: Alien Force Season 3 Episode 3 - Inferno
    6.5/10(639 votes)

    S3:E3

    Ben, Gwen and Kevin discover that Vulkanus is planning to drill the center of the Earth and drop a bomb into the hole. Destroying the planet.

    Director:Unknown
    Writer:Len Uhley

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  4. Ben 10: Alien Force Season 3 Episode 5 - Simple
    6.5/10(656 votes)

    S3:E5

    An alien named Probity seeks help from Ben to stop the on-going war on her home planet.

    Director:Unknown
    Writer:Unknown

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  5. Ben 10: Alien Force Season 2 Episode 11 - Unearthed
    7.0/10(649 votes)

    S2:E11

    Ben cares for a baby monster and helps locate its parents before the DNAliens find it.

    Director:Butch Lukic
    Writer:Charlotte Fullerton

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  6. Ben 10: Alien Force Season 3 Episode 11 - Trade-Off!
    7.0/10(622 votes)

    S3:E11

    Kevin makes a temporary truce with Darkstar to retrieve an artifact that will return them into their former selves.

    Director:Butch Lukic
    Writer:Len Wein

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  7. Ben 10: Alien Force Season 2 Episode 6 - Pet Project
    7.1/10(667 votes)

    S2:E6

    To find and destroy the alien dragon species, the Forever Knights capture Ship to control a starship they built out of alien technology to locate their homeworld and destroy them.

    Director:Unknown
    Writer:Len Uhley

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  8. Ben 10: Alien Force Season 2 Episode 7 - Grounded
    7.1/10(686 votes)

    S2:E7

    When Ben's parents discover his ability to turn into aliens, they forbid him from using the Omnitrix and later ground him from using it again. Eventually Gwen is grounded too leaving Kevin to stop the DNAliens.

    Director:Dan Riba
    Writer:Jim Krieg

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  9. Ben 10: Alien Force Season 3 Episode 12 - Busy Box
    7.1/10(621 votes)

    S3:E12

    Ben, Kevin and Gwen come across an alien box that can forms into a robotic version of whatever it sees. It power becomes a liability when the Vreedle brothers decide to take the box for themselves.

    Director:Unknown
    Writer:Unknown

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  10. Ben 10: Alien Force Season 2 Episode 10 - Birds of a Feather
    7.2/10(659 votes)

    S2:E10

    The gang helps the prince of the arachna-chimps regain power

    Director:Dan Riba
    Writer:Stan Berkowitz

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  11. Ben 10: Alien Force Season 3 Episode 9 - In Charm's Way
    7.2/10(628 votes)

    S3:E9

    Kevin is beginning to lose all hope that he will someday return to his human self. He then meets a girl who doesn't seem to mind the form he is in. Kevin finds himself under her spell, quite literally, as Charmcaster has come back to exact revenge on Ben and Gwen. Kevin, under Charmcaster's spell, has no choice but to obey his master and destroy Ben and Gwen.

    Director:Unknown
    Writer:Peter David

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  12. Ben 10: Alien Force Season 1 Episode 9 - The Gauntlet
    7.3/10(736 votes)

    S1:E9

    When Ben stands up to Cash and JT, they soon discover a robotic gauntlet from Kevin's vehicle. With it, Cash decides to get back on Ben, although this time, it's more than just a joke.

    Director:Dan Riba
    Writer:Unknown

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  13. Ben 10: Alien Force Season 2 Episode 5 - Undercover
    7.3/10(673 votes)

    S2:E5

    Cooper is kidnapped by the DNAliens, who want him to build a mystery arch.

    Director:Butch Lukic
    Writer:Adam Beechen

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  14. Ben 10: Alien Force Season 1 Episode 3 - Everybody Talks About the Weather
    7.4/10(787 votes)

    S1:E3

    Gwen discovers that Grandpa Max's badge is able to signal other Plumbers. However, by using it, they meet up with a familiar face, a pyronite.

    Director:Dan Riba
    Writer:Dwayne McDuffie

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  15. Ben 10: Alien Force Season 1 Episode 11 - Be-Knighted
    7.4/10(715 votes)

    S1:E11

    The Forever Knights secure a weapon in hopes of aiding them slay a dragon they have held captive.

    Director:Dan Riba
    Writer:Stan Berkowitz

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  16. Ben 10: Alien Force Season 1 Episode 12 - Plumber's Helpers
    7.4/10(727 votes)

    S1:E12

    Freelance young Plumbers mistake Ben and his team as a threat.

    Director:Dan Riba
    Writer:Len Uhley

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  17. Ben 10: Alien Force Season 3 Episode 7 - Single Handed
    7.4/10(645 votes)

    S3:E7

    A bounty hunter tries to remove the Omnitrix from Ben.

    Director:Dan Riba
    Writer:Marty Isenberg

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  18. Ben 10: Alien Force Season 1 Episode 4 - Kevin's Big Score
    7.5/10(776 votes)

    S1:E4

    Kevin shatters Ben and Gwen's trust when he steals the Rust Bucket to sell for alien technology on the black market.

    Director:Butch Lukic
    Writer:Matt Wayne

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  19. Ben 10: Alien Force Season 1 Episode 5 - All that Glitters
    7.5/10(768 votes)

    S1:E5

    Grandpa Max leaves Ben a series of instructions to contact a team of heroes. Things go the wrong direction when they soon find them.

    Director:Dan Riba
    Writer:Unknown

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  20. Ben 10: Alien Force Season 3 Episode 10 - Ghost Town
    7.5/10(654 votes)

    S3:E10

    Vilgax promises Ghostfreak to spring him out of prison as long as he tells him the secrets of the Omnitrix, but when Ghostfreak betrays him and turns his people into his minions, Vilgax comes to Earth and asks for Ben, Gwen and Kevin's help to get rid of Ghostfreak.

    Director:Dan Riba
    Writer:Nicole Dubuc

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  21. Ben 10: Alien Force Season 3 Episode 8 - If All Else Fails
    7.6/10(633 votes)

    S3:E8

    A series of earthquakes awakens a HighBreed officer who has been hibernating deep under the earth’s surface. He believes the HighBreed have lost the war and activates a fail safe device that is programmed to destroy. Ben must now work together with Gwen and Kevin not only to save Grandpa Max, but also the world from this "giant" problem.

    Director:Butch Lukic
    Writer:Adam Beechen

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  22. Ben 10: Alien Force Season 3 Episode 16 - The Secret of Chromastone
    7.6/10(669 votes)

    S3:E16

    While sick, Ben is visited by old friend Tetrax, who demands that Ben hand over Chromastone.

    Director:Dan Riba
    Writer:Rich Fogel

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  23. Ben 10: Alien Force Season 3 Episode 17 - Above and Beyond
    7.6/10(640 votes)

    S3:E17

    The Plumber's Helpers are called upon by Grandpa Max to rescue him from an abandoned space station where he's being attacked by Ben! The team must now find a way to work together as they try to save Max, stop Ben, and keep the space station from crashing to Earth.

    Director:Butch Lukic
    Writer:Unknown

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  24. Ben 10: Alien Force Season 3 Episode 18 - Vendetta
    7.6/10(641 votes)

    S3:E18

    Kevin returns home to find his house ransacked, so he enlists Ben and Gwen's help to find out who did it and why. They soon cross paths with Ragnarok, a deadly criminal who recently broke free from the Null Void and is in search of a special key. Kevin is intent on stopping Ragnarok from obtaining the special key, especially after he learns the truth about Ragnarok and his father.

    Director:Unknown
    Writer:Len Wein

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  25. Ben 10: Alien Force Season 3 Episode 14 - Primus
    7.7/10(647 votes)

    S3:E14

    The Omnitrix transports Ben, Gwen, and Kevin to a planet called Primus, which turns out to have been created by Azmuth. They must stop Vilgax from stopping the Omnitrix at its source.

    Director:Butch Lukic
    Writer:Charlotte Fullerton

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Worst Episodes Summary

"Fool's Gold" is the worst rated episode of "Ben 10: Alien Force". It scored 6.2/10 based on 648 votes. Directed by Dan Riba and written by Unknown, it aired on 9/25/2009. This episode scored 0.2 points lower than the second lowest rated, "Don't Fear the Repo".