Back in Action: Alien Universe

Featured Series: December 2012 Logo by NickFusi0n

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.

The series experienced a nearly five-year hiatus but returned on December 27, 2018.

Original Run (2012-2014)
Fan of the first run of Back in Action: Alien Universe showed 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)
 * ISM SAYS THIS IS EPIC :D  TALK TO ISM  :D  READ ISM'S LEGENDS  18:04, December 23, 2013 (UTC)
 * 1) I am vengeance. I am the night. I am BATMAN! (Wall - Blog - Contribs) 18:11, January 5, 2014 (UTC)

Episodes

 * Main article: List of Back in Action: Alien Universe episodes

2 seasons have been confirmed, arriving at 24 and 15 episodes (for a total of 39 episodes), respectively.

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
In the aftermath of a great loss, Ben is faced with troubles at home as a being armed with their own Omnitrix runs amok in Bellwood. Meanwhile, two infamous prisoners of Incarcecon in the Null Void are plotting their escape - Vilgax and Malevolence.

Characters

 * Main article: List of Back in Action: Alien Universe characters

Main Characters

 * Ben Tennyson (16 y/o in Infernosphere; 17 y/o Limited on)
 * Gwen Tennyson (16 y/o in Infernosphere; 17 y/o Limited on)
 * Kevin Levin (18 y/o)
 * Julie Yamamoto (Deceased; 16 y/o, 17 y/o at unknown point)

Supporting Characters

 * Chelsey Tennyson (21 y/o)
 * Mercedes Barnes (Season 2)
 * Maxwell "Grandpa Max" Tennyson
 * Future Ben Tennyson (22 y/o)
 * Karin Frikton
 * Azmuth
 * Professor Paradox
 * Verdona "Grandma Verdona" Tennyson
 * Ship
 * Cooper Daniels
 * Myaxx

Minor Characters

 * Eunice
 * Sandra Tennyson

Main Villains

 * Thep Khufan Commander
 * Scarogus
 * Albedo
 * Elena Validus

Recurring Villains

 * Charmcaster
 * Sii
 * Mistress (Season 1)
 * Malevolence
 * Slix
 * Vilgax
 * Cyanne (originally a hero)
 * Mosquito
 * Rhino

Deceased Villains

 * Nightcaster II
 * Clancy
 * Rojo
 * Thep Khufan Commander
 * Calign
 * Loitus

Ben's Aliens
Through the Assault Omnitrix, Ben and Future Ben have access to over 50 alien transformations. Bold aliens have been reunlocked since Recalibration with the new Assault Omnitrix.

Unique Additional Aliens

 * Anos
 * Bugbite
 * Streak
 * Obsorber
 * Nigester (removed in Ten Plus Twenty)
 * Plastikitee
 * Muckslide
 * Autosassin
 * Abstallion

Unique Ultimate Aliens

 * Ultimate Upchuck
 * Ultimate Benmummy (mentioned in Fate of the Helpers)

Season 2 Aliens

 * Combustiball
 * Frisbit
 * Alkamine
 * Brawnoceros
 * Plasmodic
 * Dreadsense
 * "Titanium Alien"
 * Cardstruct
 * Wavelength
 * Several More Unique Unknown Aliens

Classic Aliens

 * Heatblast
 * Diamondhead
 * XLR8
 * Four Arms
 * Ghostfreak
 * Stinkfly
 * Grey Matter
 * Upgrade
 * Cannonbolt
 * Wildvine
 * Way Big
 * Articguana
 * Benmummy
 * Benwolf
 * Buzzshock
 * Eye Guy
 * Ditto
 * Benvicktor
 * Swampfire
 * Echo Echo
 * Humongousaur
 * Jetray
 * Big Chill
 * Chromastone
 * Brainstorm
 * Spidermonkey
 * Goop
 * Alien X
 * Rath
 * Lodestar
 * Fasttrack
 * Astrodactyl
 * Water Hazard
 * Terraspin
 * NRG
 * Forge (Armodrillo)
 * AmpFibian

Classic Ultimate Aliens

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

Future Aliens

 * (See Future Ben's list of aliens)

Trivia

 * All Season 2 unique aliens originate from the Andromeda Galaxy, having recently been cataloged by Eunice and Azmuth. Some are thematically similar.
 * 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.
 * Articguana, Buzzshock, and Stinkfly appear with their original series appearances.
 * On YouTube, the show was referred to as Ben 10: Alien Universe Re-Animated.