Ben 10: Ultimate Alien

Ben 10: Ultimate Alien is the sequel series to Ben 10: Alien Force. It premiered on April 23, 2010. The art and story styles in this series is similar to Alien Force. The series follows on 16-year old Ben and Gwen along with a 17-year old Kevin. Ben's secret identity has been revealed to the world and he is now an international mega-star super hero, loved by kids all-over the world, but distrusted by many adults such as reporter Will Harangue. Armed with a mysterious, more powerful Omnitrix called the Ultimatrix, Ben will face being hunted by rogue alien threats, human mercenaries, and assassins hired by opposing adults. Ben will be in places he has never been before; such as the Forge of Creation. The main enemy of the first season is named Aggregor who is after the "Ultimate Prize". It went under the working title Ben 10: Evolution. The series premiered in the United Kingdom, Australia, Asia and Latin America on 10/10/2010 at 10:00 A.M. on Cartoon Network. This is also the day a marathon of the episodes came on with a contest for the 10/10/10 event in America.

This series was succeeded by Ben 10: Omniverse.

Main Characters

 * Ben Tennyson
 * Gwen Tennyson
 * Kevin Levin

Recurring Characters

 * Julie Yamamoto
 * Alan Albright
 * Cooper Daniels
 * Jimmy Jones
 * Azmuth
 * Paradox
 * The Plumbers
 * Colonel Rozum
 * Ship
 * Bivalvan
 * Galapagus
 * P'andor
 * Andreas
 * Ra'ad
 * Oliver Thompson
 * Baz-El
 * Verdona Tennyson
 * Max Tennyson

Villains

 * Adwaita (Defeated)
 * Aggregor (Arrested)
 * Albedo (Arrested)
 * Aggregor's Soldiers (Destroyed)
 * Buzz (Arrested)
 * Computron (Destroyed)
 * Computron's Minions (Destroyed)
 * Flame Keepers' Circle (Disbanded)
 * Conduit Edwards (Deceased)
 * Winston (Controlled by Diagon; Deceased)
 * Darkstar/Michael Morningstar (Arrested)
 * Diagon (Sealed within Ascalon)
 * Dr. Animo (Arrested)
 * Elena Validus (Under Hive influence)
 * Eon (Deceased)
 * Garbage Monster (Destroyed)
 * Hammer (Arrested)
 * Kolar (Imprisoned)
 * King Viktor (Defeated)
 * Lucubras (Imprisoned)
 * Ma Vreedle (Arrested)
 * Morgg (Arrested)
 * Mizaru (Deceased)
 * Nanochips
 * Overlord (Arrested)
 * Pickaxe Aliens (Defeated)
 * Plant Alien (Destroyed)
 * Plant Clones (Destroyed)
 * Prince Gyula (Defeated)
 * Psyphon (Defeated)
 * R.E.D.'s (Destroyed)
 * Rojo (Arrested)
 * Rojo's Gang (Arrested)
 * Sevenseven (Arrested)
 * Ssserpent
 * Surgeon (Arrested)
 * The Stalker (Destroyed)
 * Trumbipulor
 * Vilgax (Defeated)
 * Vulkanus (Defeated)
 * Xenocytes (Mostly Extinct)
 * DNAliens
 * Zombozo (Defeated)

Former Villains

 * Argit (Neutral)
 * Antonio
 * Charmcaster (Neutral)
 * Jennifer Nocturne
 * Will Harangue (Neutral)
 * Forever Knights (Neutral)
 * Sir George (Deceased)
 * Patrick
 * Driscoll
 * Connor
 * Enoch
 * Urian
 * Sir Cyrus
 * Winston (Deceased)
 * Squire
 * Hex (Neutral)
 * Prisoner 775 (Neutral)
 * Kevin Levin (Formerly Insane)
 * Sunder (Neutral)
 * Simian (Neutral)
 * Sunny

Aliens
+++ Indicates that this alien is not in the introduction.

*** Indicates that this alien has not been used by the present Ben since the original series.

^^^ indicates that the alien wasn't used by the present Ben in this show.

``` Indicates that the alien has only appeared in Ben 10-Generator Rex: Heroes United
 * Wildmutt
 * Four Arms
 * Grey Matter***
 * XLR8```^^^
 * Upgrade```^^^
 * Diamondhead
 * Ripjaws
 * Stinkfly***
 * Ghostfreak
 * Heatblast
 * Cannonbolt
 * Wildvine***
 * Upchuck
 * Ditto***
 * Eye Guy***
 * Way Big
 * Benwolf***
 * Benmummy***
 * Benvicktor***
 * Goop
 * Swampfire
 * Chromastone
 * Big Chill
 * Humungousaur
 * Brainstorm
 * Jetray
 * Spidermonkey
 * Echo Echo
 * Alien X
 * Lodestar
 * Rath
 * Nanomech+++
 * Fasttrack+++
 * Eatle+++
 * Clockwork+++
 * Jury Rigg+++
 * Shocksquatch+++```
 * Articguana^^^
 * Spitter^^^
 * Buzzshock^^^
 * Water Hazard+++
 * Terraspin+++
 * NRG+++
 * Armodrillo+++
 * AmpFibian+++
 * ChamAlien+++

Ultimate Forms

 * Ultimate Ben (Possible Future Ultimate Form)+++^^^
 * Ultimate Big Chill
 * Ultimate Cannonbolt
 * Ultimate Echo Echo
 * Ultimate Humungousaur
 * Ultimate Spidermonkey
 * Ultimate Swampfire
 * Ultimate Way Big +++
 * Ultimate Wildmutt +++

Episodes

 * See: List of Ben 10: Ultimate Alien Episodes

Vehicles

 * DX Mark 10
 * Kevin's car
 * Rust Bucket 3
 * Rust Bucket
 * Ship

Video Games

 * Ben 10 Ultimate Alien: Cosmic Destruction
 * Ben 10: Galactic Racing

Opening
thumb|right|250px The opening shows almost every alien that Ben has turned into along with the Ben 10,000 aliens. The background also shows clips from both Alien Force and Ultimate Alien episodes along with unseen scenes. It was confirmed by Dwayne McDuffie that the intro would not be changed to add in new aliens.