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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!

Five years later, 15-year-old Ben Tennyson chooses to once again put on the Omnitrix and discovers that it has recalibrated and can now transform him...
Genres:AnimationSci-Fi & FantasyAction & Adventure

Worst Episodes Summary

"Fool's Gold" is the worst rated episode of "Ben 10: Alien Force". It scored 6.4/10 based on 388 votes. Directed by Dan Riba and written by N/A, it aired on 9/25/2009. This episode scored 0.0 points lower than the second lowest rated, "Vreedle, Vreedle".

  • Fool's Gold
    6.4/10388 votes
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    #1 - Fool's Gold

    Season 3 Episode 4 - Aired 9/25/2009

    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: N/A

  • Vreedle, Vreedle
    6.4/10377 votes
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    #2 - Vreedle, Vreedle

    Season 3 Episode 6 - Aired 10/16/2009

    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: N/A

    Writer: Charlotte Fullerton

  • Inferno
    6.6/10373 votes
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    #3 - Inferno

    Season 3 Episode 3 - Aired 9/18/2009

    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: N/A

    Writer: Len Uhley

  • Simple
    6.6/10388 votes
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    #4 - Simple

    Season 3 Episode 5 - Aired 10/9/2009

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

    Director: N/A

    Writer: N/A

  • Trade-Off!
    7.0/10370 votes
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    #5 - Trade-Off!

    Season 3 Episode 11 - Aired 12/4/2009

    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

  • Grounded
    7.1/10406 votes
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    #6 - Grounded

    Season 2 Episode 7 - Aired 11/23/2008

    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: James Krieg

  • Birds of a Feather
    7.1/10384 votes
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    #7 - Birds of a Feather

    Season 2 Episode 10 - Aired 3/24/2009

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

    Director: Dan Riba

    Writer: Stan Berkowitz

  • In Charm's Way
    7.1/10370 votes
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    #8 - In Charm's Way

    Season 3 Episode 9 - Aired 11/13/2009

    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: N/A

    Writer: Peter David

  • Busy Box
    7.1/10367 votes
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    #9 - Busy Box

    Season 3 Episode 12 - Aired 12/11/2009

    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: N/A

    Writer: N/A

  • Pet Project
    7.2/10395 votes
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    #10 - Pet Project

    Season 2 Episode 6 - Aired 11/21/2008

    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: N/A

    Writer: Len Uhley

  • Unearthed
    7.2/10382 votes
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    #11 - Unearthed

    Season 2 Episode 11 - Aired 3/25/2009

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

    Director: Butch Lukic

    Writer: Charlotte Fullerton

  • Undercover
    7.3/10400 votes
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    #12 - Undercover

    Season 2 Episode 5 - Aired 11/14/2008

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

    Director: Butch Lukic

    Writer: Adam Beechen

  • Single Handed
    7.3/10385 votes
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    #13 - Single Handed

    Season 3 Episode 7 - Aired 10/23/2009

    A bounty hunter tries to remove the Omnitrix from Ben.

    Director: Dan Riba

    Writer: Marty Isenberg

  • Ghost Town
    7.3/10385 votes
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    #14 - Ghost Town

    Season 3 Episode 10 - Aired 11/20/2009

    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

  • Everybody Talks About the Weather
    7.4/10466 votes
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    #15 - Everybody Talks About the Weather

    Season 1 Episode 3 - Aired 4/26/2008

    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

  • The Gauntlet
    7.4/10441 votes
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    #16 - The Gauntlet

    Season 1 Episode 9 - Aired 6/14/2008

    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: N/A

  • Plumber's Helpers
    7.4/10433 votes
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    #17 - Plumber's Helpers

    Season 1 Episode 12 - Aired 7/19/2008

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

    Director: Dan Riba

    Writer: Len Uhley

  • All that Glitters
    7.5/10455 votes
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    #18 - All that Glitters

    Season 1 Episode 5 - Aired 5/10/2008

    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: N/A

  • Be-Knighted
    7.5/10426 votes
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    #19 - Be-Knighted

    Season 1 Episode 11 - Aired 7/12/2008

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

    Director: Dan Riba

    Writer: Stan Berkowitz

  • Above and Beyond
    7.5/10384 votes
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    #20 - Above and Beyond

    Season 3 Episode 17 - Aired 3/12/2010

    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: N/A

  • Kevin's Big Score
    7.6/10460 votes
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    #21 - Kevin's Big Score

    Season 1 Episode 4 - Aired 5/3/2008

    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

  • Primus
    7.6/10387 votes
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    #22 - Primus

    Season 3 Episode 14 - Aired 1/15/2010

    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

  • Time Heals
    7.6/10396 votes
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    #23 - Time Heals

    Season 3 Episode 15 - Aired 1/22/2010

    Despite being warned by Paradox, Gwen travels back in time to prevent the accident that turned Kevin into a monster from ever happening. Gwen returns to the present only to find that her time traveling caused a series of events that led to Hex ruling the world.

    Director: N/A

    Writer: Len Uhley

  • The Secret of Chromastone
    7.6/10408 votes
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    #24 - The Secret of Chromastone

    Season 3 Episode 16 - Aired 1/29/2010

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

    Director: Dan Riba

    Writer: Rich Fogel

  • Vendetta
    7.6/10412 votes
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    #25 - Vendetta

    Season 3 Episode 18 - Aired 3/19/2010

    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: N/A

    Writer: Len Wein