Featured Series: December 2012

Back in Action: Alien Universe is the sequel series to Ben 10: Alien Universe announced on August 19, 2012 that premiered on August 29, 2012.


Are you a fan of Back in Action: Alien Universe? Show some love by signing below:

  1. GIVE UP, STOLEN PLUMBER SHIP! YOU CAN'T ESCAPE FROM RATH! YAAH! (The ship begins to crash) CRASHING'S GOOD TOO! RATH CAN CRASH ALL DAY!! (Rath falls down) NOW YOU'RE USING GRAVITY!! WELL FORGET IT! YOU CAN'T BEAT RAA.. (slams into ground) 15:24, September 20, 2012 (UTC)
  2. OMNIVERSE (Wall - Blog - Contribs) 12:27, October 11, 2012 (UTC)
  3. I should've done this a long time ago....
  4. badadadada I'm lovin' it --I am the Ruler of all that belongs to the Light! The Photon Commander! (Wall - Blog - Contribs) 10:03, March 9, 2013 (UTC)
  5. ISM SAYS THIS IS EPIC :D TALK TO ISM :D READ ISM'S LEGENDS 18:04, December 23, 2013 (UTC)
  6. I am vengeance. I am the night. I am BATMAN! (Wall - Blog - Contribs) 18:11, January 5, 2014 (UTC)


Main article: Episode Guide

3 seasons have been confirmed, with the first two arriving at 26 and 14 episodes (for a total of 40 episodes), respectively. A movie, tentatively titled Heroafter is also in early production, existing as a story to succeed the series but precede the sequel.

Seasons Episodes
1 24
2 16


Season 1

17 year old Ben discovers the plot of the Thep Khufan Commander, and together with many of his closest friends and newest allies, he must thwart the Commander or sacrifice the Earth and universe to him.

Season 2

Season 3


Main Characters

Recurring Characters

Minor Characters

Main Villains

Recurring Villains

Deceased Villains

Ben's Aliens

Any alien in bold was originally kept a secret. As of its reveal, it is no longer, and is subtracted from the remaining secret classic alien counter. Any alien in a link is unique to the series.

Original 10

  • Swampfire
  • Echo Echo
  • Humongousaur
  • Jetray
  • Big Chill
  • Chromastone
  • Brainstorm
  • Spidermonkey
  • Goop
  • Alien X

Classic Aliens

  • Heatblast
  • Diamondhead
  • XLR8
  • Four Arms
  • Ghostfreak
  • Stinkfly
  • Grey Matter
  • Upgrade
  • Cannonbolt
  • Way Big
  • Articguana
  • Benmummy
  • Buzzshock
  • Eye Guy
  • Ditto
  • Benvicktor
  • A few more secret classic aliens

Additional Aliens

Ultimate Aliens

  • Ultimate Big Chill
  • Ultimate Wildmutt
  • Ultimate Cannonbolt
  • Ultimate Swampfire
  • Ultimate Echo Echo
  • Ultimate Humungousaur

Season 2+ Aliens

Future Aliens

Mentioned-Only Aliens


  • Unless otherwise stated below, all Assault Omnitrix aliens assume their original series/Alien Force/Ultimate Alien (whichever is the latest) appearances. This also applies for Gwen's Anodite form.
    • Grey Matter appears with his Omnitrix on his chest, as it would have had he appeared in Ultimate Alien. As of Hit and Miss, he has donned his Omniverse clothing but original series appearance.
    • Upgrade bears great resemblance to Malware in Omniverse.
    • Articguana, Buzzshock, and Stinkfly will appear with their original series appearances.
  • The Rustbucket has been confirmed to be much more realistic.
  • On YouTube, the show was referred to as Ben 10: Alien Universe Re-Animated.
Preview rustbucket

The Rustbucket (from episode 101)

See also

  • Clad in Darkness (alternate timeline featuring counterparts of BiA characters and aliens, written by Coke)

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