All Ben 10 Alien Force Episodes

Ben 10: Alien Force is a popular animated TV series that aired from 2008 to 2010. The show is a sequel to the original Ben 10 series and follows the adventures of Ben Tennyson and his friends as they fight against various villains and alien threats.

Here is a list of all 46 episodes of Ben 10: Alien Force:

Season 1 (2008-2009)

1. "Five-Star General" (October 4, 2008)
2. "Stinkfly" (October 11, 2008)
3. "Spider-Man" (October 18, 2008)
4. "The Transmogrifier" (November 1, 2008)
5. "The Four Arms" (November 8, 2008)
6. "The Diamond Digger" (November 15, 2008)
7. "The Swamp Thing" (November 22, 2008)
8. "The Toaster" (November 29, 2008)
9. "Eye of the Storm" (December 6, 2008)
10. "The High Override" (April 11, 2009)
11. "Mr. Nobody" (April 18, 2009)
12. "The Incredible Hulk" (April 25, 2009)

Season 2 (2009-2010)

13. "The Invisible Enemy" (September 29, 2009)
14. "Bite of the Black Widow" (October 6, 2009)
15. "Bigger on the Inside" (October 13, 2009)
16. "Paradise Planned" (October 20, 2009)
17. "The Thrill of the Skill" (October 27, 2009)
18. "Escape from the Planiverse" (November 3, 2009)
19. "The Big Chill" (November 10, 2009)
20. "Time Share" (November 17, 2009)
21. "High Override II" (November 24, 2009)

Season 3 (2010)

22. "The Power of Two" (March 31, 2010)
23. "All of Time All at Once" (April 7, 2010)
24. "The Scientist of Doom" (April 14, 2010)
25. "Heroes United!" (April 21, 2010)
26. "Plan Infiniverse" (April 28, 2010)
27. "The Final Countdown" (May 5, 2010)
28. "Ben 10: Destroy All Aliens" (May 12, 2010)

Specials and Movies

29. "Ben 10: Secret of the Omnitrix" (2008)
30. "Ben 10: Destroy All Aliens" (2012)

Alien Force: Ultimate Collection DVD Episodes all ben 10 alien force episodes

The following episodes are from the Alien Force: Ultimate Collection DVD set:

31-40. (same as episodes 1-10, and 13-16)

Countdown Episodes (Webisodes)

The Countdown episodes are short, 5-minute webisodes that bridge the gap between Ben 10 and Ben 10: Alien Force.

41. "Countdown" (Episode 1) (October 2, 2009)
42. "Countdown" (Episode 2) (October 9, 2009)
43. "Countdown" (Episode 3) (October 16, 2009)
44. "Countdown" (Episode 4) (October 23, 2009)
45. "Countdown" (Episode 5) (October 30, 2009)
46. "Ben 10: Alien Force - A Hero's Legacy" ( May 26,2011)

Would you like to know more about a specific episode or character from Ben 10: Alien Force?

Ben 10: Alien Force takes a darker, more mature turn as it follows a 15-year-old Ben Tennyson who must re-don the Omnitrix to find his missing Grandpa Max. Spanning 46 episodes across three seasons, the series trades the original's lighthearted road trip for a high-stakes alien conspiracy involving the Highbreed and DNAliens. Season 1: The New Team Assemble Ben 10: Alien Force is a popular animated

The first 13 episodes establish a new dynamic as Ben teams up with his cousin Gwen and former rival Kevin Levin. Ben 10 Returns (Parts 1 & 2):

Ben puts the Omnitrix back on, which reconfigures into a new set of aliens. Kevin's Big Score Kevin proves his loyalty after a rocky start with the team. What Are Little Girls Made Of? Introduces Ben and Gwen's Anodite grandmother, Verdona.

Introduces Professor Paradox, a time-traveling hero who becomes a recurring ally. X = Ben + 2

Ben unlocks Alien X, his most powerful form, to stop an alien emperor. Season 2: The War of the Worlds

Episodes 14–26 focus heavily on the impending Highbreed invasion and the mystery of the "Plumbers' Helpers".

Episode 8: “What Are Little Girls Made Of?”

• Original Air Date: June 7, 2008
• Plot: This episode focuses on Gwen’s past. A magical parasite known as a “Gwen-Twin” (a doppelgänger made of pure mana) escapes from a Plumber containment cell. The double has Gwen’s powers but none of her restraint. It’s a fun exploration of how powerful Gwen has become since the original series.

Episode 32: “Vengeance of Vilgax: Part 3” (Often listed as “Vilgax’s Revenge”)

Synopsis: Vilgax captures Grandpa Max and forces Ben to choose between saving him and stopping a planet-destroying bomb. Key moment: Ben unlocks Rath (a wrestling-inspired, rage-fueled alien). “LET ME TELL YOU SOMETHING, VILGAX!” Season 2 (2009-2010)

Conclusion: The Legacy of Alien Force

Ben 10: Alien Force is more than just a sequel. It’s a coming-of-age story about responsibility, friendship, and the courage to change. The High Breed arc remains one of the most sophisticated storylines in Western animation for young audiences—a war that ends not with a punch, but with empathy.

For fans revisiting these episodes or newcomers starting their journey, the complete list of all Ben 10 Alien Force episodes offers a tight, emotionally resonant 26-episode saga. From “Ben 10 Returns” to “War of the Worlds,” every episode builds a world where aliens and humans must learn to coexist, and where a teenager with a watch proves that the best weapon isn’t power—it’s perspective.

Now, go re-watch “Alone Together.” It’s still the best one.

Ben 10: Alien Force is often viewed by fans and critics as a "mixed bag" that matured the franchise with a darker tone but struggled with consistency toward its end. While Seasons 1 and 2 are praised for their strong overarching plot, Season 3 is more polarizing due to a shift toward episodic "filler" and a more arrogant portrayal of Ben. Season 1 & 2: The High Point

These seasons are widely considered the series' best, focusing on the Highbreed invasion and the hunt for Grandpa Max.