All Ben 10 Alien Force Episodes |top| -

Ben helps a "prince" retrieve a power source.

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The stakes raise as the Highbreed invasion becomes imminent and the team discovers the extent of the Dnalien infiltration.14. 15. "Vengeance of Vilgax: Part 2" 16. "Inferno" 17. "Alone Together" 18. "Good Copy, Bad Copy" 19. "Save the Last Dance" 20. "Undercover" 21. "Pet Project" 22. "Grounded" 23. "Voided" 24. "Inside Man" 25. "Birds of a Feather" 26. "Unearthed" Season 3 (2009–2010)

— The Forever Knights seek Ben's help to kill a dragon they've held captive for over a thousand years. After the dragon escapes, Ben discovers it's actually an alien cartographer captured centuries ago. Ben fits the dragon with a translator, learning it only wants to return home. Ben convinces it to leave peacefully. all ben 10 alien force episodes

– Kevin discovers the identity of Ragnarok, the evil alien who murdered his father years ago, and pursues a dark path of personal vengeance.

– The Highbreed armada launches a full-scale assault on Earth. Ben rallies the Plumber's kids, Professor Paradox, and Azmuth. Using the Omnitrix, Ben rewrites the DNA of the entire Highbreed race to cure their genetic decay, ending the war peacefully but causing a mutation in Kevin. Season 3: Fame, Vengeance, and the Ultimatrix (20 Episodes)

Season 1 focuses on Ben, Gwen, and a reformed Kevin Levin building an underground resistance network (the Plumber's Helpers) to stop the Highbreed and their DNAlien foot soldiers. Ben helps a "prince" retrieve a power source

Often considered "peak" for its tight narrative and establishment of the Highbreed arc.

– The team partners with a rogue DNAlien to infiltrate a Highbreed teleporter tower located in the desert.

– An arrogant Galvan named Albedo builds a duplicate Omnitrix. Because his DNA syncs with Ben's, he gets trapped in a human clone body of Ben and tries to destroy him. "Alone Together" 18

The Ultimate Guide to All Ben 10: Alien Force Episodes Ben 10: Alien Force shifted the franchise into a darker, more mature era. Five years after the original series, a 15-year-old Ben Tennyson must put on the Omnitrix once again to fight an underground alien invasion. Season 1: The Gathering Threat (Episodes 1–13)

A massive, baby alien wanders into Bellwood, forcing Ben to protect it from DNAliens and find its parents.

– A Prince of the Vreedle race requests Ben's help to retrieve a royal artifact, but his motives are corrupt.

Ben attempts to put on the Omnitrix, but it recalibrates, locking his classic aliens and granting him ten new, mature forms. He realizes he cannot do this alone. He tracks down his cousin, Gwen, who has honed her magical abilities into pure pink mana, and they seek out Kevin Levin—Ben’s former nemesis. Kevin, now a street-smart teenager with the ability to absorb matter, agrees to help, albeit for his own mysterious reasons.

(S1E13, Aug 31, 2008) – An alien emperor plans to destroy Earth for “kidnapping” his daughter. Ben must unlock the secret of Alien X—a god‑like transformation that requires consensus among three personalities—to save the planet.