Ben 10: Alien Force

8.3
200823m

Production

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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 into 10 brand new aliens. Joined by his super-powered cousin Gwen Tennyson and his equally powerful former enemy Kevin Levin, Ben is on a mission to find his missing Grandpa Max. In order to save his Grandpa, Ben must defeat the evil DNAliens, a powerful alien race intent on destroying the galaxy, starting with planet Earth.

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Trailers & Videos

Thumbnail for video: Ben 10: Alien Force - Season 2-3 | Opening Theme (English) (HD)

Ben 10: Alien Force - Season 2-3 | Opening Theme (English) (HD)

Thumbnail for video: Ben 10 Alien Force Trailer

Ben 10 Alien Force Trailer

Seasons

13 Episodes • Premiered 2008

Still image for Ben 10: Alien Force season 1 episode 1: Ben 10 Returns (1)

1. Ben 10 Returns (1)

8.9

Ben discovers that the Forever Knights are trading weapons with the DNAliens, while at the same time, Grandpa Max has mysteriously gone missing. He decides to return the Omnitrix on his wrist and go hero once again.

Still image for Ben 10: Alien Force season 1 episode 2: Ben 10 Returns (2)

2. Ben 10 Returns (2)

8.6

Ben, Gwen, and Kevin follow a lead that takes them to a secret base in the desert. There they hope to find Grandpa Max but instead find a Highbreed spaceship with a giant cannon.

Still image for Ben 10: Alien Force season 1 episode 3: Everybody Talks About the Weather

3. Everybody Talks About the Weather

8.4

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.

Still image for Ben 10: Alien Force season 1 episode 4: Kevin's Big Score

4. Kevin's Big Score

8.2

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

Still image for Ben 10: Alien Force season 1 episode 5: All that Glitters

5. All that Glitters

8.2

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

Still image for Ben 10: Alien Force season 1 episode 6: Max Out

6. Max Out

8.0

Gwen's older brother, Ken, is suddenly missing. As they look, they encounter a surprise leading to a shocking secret from the DNAliens.

Still image for Ben 10: Alien Force season 1 episode 7: Pier Pressure

7. Pier Pressure

8.2

While Ben has a date with Julie, it is soon ruined when an alien named Ship makes trouble at the local fair.

Still image for Ben 10: Alien Force season 1 episode 8: What Are Little Girls Made Of?

8. What Are Little Girls Made Of?

8.5

When Ben and Gwen learn that their grandmother Verdona is an alien being, Verdona insists that Gwen should come along with her to her home planet and improve her abilities. With this, Gwen is faced with a difficult decision between a human and alien life.

Still image for Ben 10: Alien Force season 1 episode 9: The Gauntlet

9. The Gauntlet

7.8

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.

Still image for Ben 10: Alien Force season 1 episode 10: Paradox

10. Paradox

8.8

A time experiment in the 1950s sends a bizarre monster to Ben's time. Now Ben, Gwen, and Kevin must team up with Paradox, a time traveling hero, to face off against the unstoppable creature.

Still image for Ben 10: Alien Force season 1 episode 11: Be-Knighted

11. Be-Knighted

7.8

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

Still image for Ben 10: Alien Force season 1 episode 12: Plumber's Helpers

12. Plumber's Helpers

8.5

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

Still image for Ben 10: Alien Force season 1 episode 13: X = Ben + 2

13. X = Ben + 2

9.0

An alien emperor plans to destroy the planet Earth for kidnapping his daughter. In order to save the planet, Ben must uncover the secrets of Alien X.

Cast

Photo of Yuri Lowenthal

Yuri Lowenthal

Ben Tennyson (voice)

Photo of Greg Cipes

Greg Cipes

Kevin Levin (voice)

Photo of Dee Bradley Baker

Dee Bradley Baker

Swampfire (voice)

Photo of Ashley Johnson

Ashley Johnson

Gwen Tennyson (voice)

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Reviews

B

Jenny

10/10

🌟 10/10 – A Bold, Brilliant Evolution of a Beloved Franchise! 🌟

Ben 10: Alien Force is everything a sequel should be—and more. This series masterfully matures the original Ben 10 without losing the adventurous heart that made the franchise iconic in the first place. Set five years after the original, it reintroduces us to a teenage Ben Tennyson, now more responsible, more powerful, and far more complex.

What sets Alien Force apart is its tonal shift: it grows with its audience. The themes are darker, the stakes are higher, and the character development is deeper. Ben isn’t just goofing off with aliens anymore—he's saving galaxies, wrestling with moral dilemmas, and leading a team with Gwen and a reformed Kevin Levin. The trio’s chemistry is a highlight, filled with tension, growth, and genuine camaraderie.

The new alien transformations—like Swampfire, Echo Echo, and Big Chill—aren’t just cool, they’re creatively designed and tactically unique, reflecting Ben’s evolution as a hero. The animation is crisp, the voice acting is excellent, and the story arcs are compelling and interconnected, offering a perfect blend of action, sci-fi, and emotion.

Whether you're a long-time fan or new to the series, Ben 10: Alien Force delivers an unforgettable experience that respects its roots while forging bold new territory. It’s not just a great cartoon—it’s a milestone in animated storytelling.

A must-watch. Hero time has never been this epic.

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