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The Omnitrix is a watch-like device that attached to Ben Tennyson's wrist and is the device that the series revolves around.


The Omnitrix looks like a very big wristwatch, primarily black and grey in color, with a grey dial in the middle (like a watch face) which has a green hourglass shape. When Ben selects his aliens it shows the alien's silhouette.

In Omni-Tricked: Part 3, Phil put on a blue device on the outer side of the Omnitrix. It was supposed to control the temporary malfunction on switching from alien to alien.

The Omnitrix was upgraded by Ben using Upgrade in Omni-Tricked: Part 4. The white chords and dial were silver and green. The four buttons on the faceplate were replaced with grey squares. There was an additional band of dark grey running around the center of the Omnitrix, the activation button was on this strip.

The Omnitrix got rebooted in Innervasion Part 5: High Override. The rim of the dial was white, the squares on the last upgrade were replaced by green arrows, and the area behind the hourglass and the wristband both became grey. The outer band was black with green arrows, and the sides of the dial and the ends of the wristband were silver. The top of the grey wristband had a green hourglass underneath the dial, and the top of the dial was black. Unlike the Omnitrix's last two versions, the third version did not have its tube-like circuitry.

As of Summer Breakers, the latest upgrade colors the entire device almost completely grey, with black ends and the arrows on the dial being absent. The hourglass coloring now remains 2-tone grey, and white support tubes surround the dial.



Omnitrix S4 Heatblast Icon

Silhouettes of aliens seen when selecting.

  • It contains the DNA of thousands of aliens from all over the universe[1][2] and can transform its user into one of them for a limited period of time. Only ten of these DNA samples can be available at any given time, as only ten can be loaded into the loading bay.
    • The DNA samples are contained in chambers. The device had bonded to Ben's genetic code, so only a biological relative of the Tennyson family can become an alien by running through those tubes.[1]
    • If Ben knew how to cycle in new chambers and replace the others, he could access the entire cache of aliens. However, he hasn’t figured out the proper sequencing to remove it from semi to fully automatic.[DR 1]
  • The Omnitrix can only let it's wearer be in the body of an alien for a temporary amount of time (for 10 or 15 minutes). When the watch times out, the faceplate turns red and recharges for around 5 minutes. When it is green again, the user can transform again.
    • The Omnitrix can instantly recharge to protect the user from a direct physical threat.
  • The upgraded Omnitrix allowed the user to transform into enhanced versions of the aliens with the use of energy forms like Shock Rock.[3]
    • When the Omnitrix rebooted itself for the second time, the Omni-Enhancements were removed.[1]
  • The Omnitrix emits a frequency, even when not in use, so the user can easily be tracked using it.[4][5]
  • The Omnitrix can instantly be recharged by inputting a certain code sequence; only Kevin as Dark Matter knows this code sequence.[6]
  • With a special key, the Omnitrix can provide Ben's aliens with the Omni-Kix upgrades, which by twisting the symbols on their bodies and then pressing them, the alien forms will be armored in robotic suits boosting their natural abilities and adding new powers.[7]
    • As a side-effect, the Omni-Kix feature will cause the Omnitrix to use more power and consequently time out faster.[4]
  • Given that the Season 4 version of the Omnitrix has no activation button, and Ben generally activates the device without using his hands to pop up the core, it can be assumed that he can manipulate the device with his mind, to an extent.

Omnitrix Symbol Position

  • The Omnitrix symbol is generally located on the chest of the transformations.


  • The Omnitrix may or may not give clothing to a transformation. Even when it does, the clothing seems to be random:
    • Diamondhead has either black-and-yellow or red-and-yellow clothing.[8]
    • XLR8 has black-and-blue clothing.
    • Four Arms and Gax have white-and-black clothing, similar to 10/11-year-old Ben's transformations from the original series and Omniverse flashbacks.
    • Slapback has white, blue, and black clothing.
    • Grey Matter and Mole-Stache have green-and-black clothing, similar to 16-year-old Ben's transformations from Omniverse.
    • The rest appear to be unclothed, similar to 15/16-year-old Ben's transformations from Alien Force and Ultimate Alien.


  • If fiddled with, the Omnitrix can start turning users into hybrids of multiple aliens.[9]
  • The Omnitrix is vulnerable to electromagnetic interferences, such as that created by Polar and Solar Twain, so the user will randomly switch from one alien to another and/or experience delayed transformations until the electric/magnetic interference is gone.[10][11]
  • Having more than 10 DNA pods in the loading bay can cause the user to randomly and uncontrollably switch from one alien to another.[12]
    • The only time this has occurred was because Vilgax, who knows how the Omnitrix works, used his DNA as an inside man to activate Gax's chamber.[13][DR 2]
  • When struck by lightning in close proximity with Xingo, Omnitrix aliens and their powers can become cartoonish.[14]
  • If the Omnitrix symbol is removed while the user is transformed, the ability to transform back to normal is removed.[15]

Known Aliens

The following list shows all known transformations that are or have been available in the active playlist.

Alien Species Unlocked In First Used In S1 S2 S3 S4
Unlocked In Season 1
Cannonbolt Arburian Pelarota Prior to Season 1 Waterfilter
Diamondhead Petrosapien Freaky Gwen Ben
Four Arms Tetramand The Ring Leader
Gax [note 1] Chimera Sui Generis Omni-Tricked: Part 1
Grey Matter Galvan Prior to Season 1 The Filth
Heatblast Pyronite Waterfilter
Overflow Cascan
Stinkfly Lepidopterran Animo Farm
Upgrade [note 2] Galvanic Mechamorph Freaky Gwen Ben
Wildvine Florauna Rustbucket RIP
XLR8 Kineceleran The Ring Leader
Unlocked in Season 2
Shock Rock Fulmini Omni-Tricked: Part 4 The 11th Alien: Part 1
Unlocked in Season 3
Humungousaur Vaxasaurian Innervasion Part 5: High Override This One Goes to 11
Rath [note 3] Appoplexian Rath of Con
Slapback Ekoplektoid Omni-Copped
Unlocked in Season 4
Jetray Aerophibian Summer Breakers Gentle Ben

Known Locked Aliens

The following list shows all known transformations that are currently in the Omnitrix's DNA pod vault but have not been seen on-screen yet.

Alien Species
Alien X Celestialsapien
AmpFibian Amperi
Antigravitesla Unknown
Arctiguana Polar Manzardill
Armodrillo Talpaedan
Astrodactyl Unknown
Atomix Unknown
Ball Weevil Unknown
Big Chill Necrofriggian
Blitzwolfer Loboan
Bloxx Segmentasapien
Bob the Blob Unknown
Brainstorm Cerebrocrustacean
Bullfrag Incursean
Buzzshock Nosedeenian
Chamalien Merlinisapien
Chromastone Crystalsapien
Clockwork Chronosapien
Crashhopper Orthopterran
Decagon Vreedle Vreedle
Ditto Splixson
Eatle Oryctini
Echo Echo Sonorosian
Eye Guy Opticoid
Fasttrack Citrakayah
Feedback Conductoid
Frankenstrike Transylian
Ghostfreak Ectonurite
Goop Polymorph
Gravattack Galilean
Gutrot Unknown
Invincible Unknown
Juryrigg Planchaküle
Kickin Hawk Unknown
Lodestar Biosovortian
Mole-Stache Unknown
Nanomech Nanomite
NRG Prypiatosian-B
Pesky Dust Nemuina
Portaler Unknown
Plantapocalypse Unkown
Ripjaws Piscciss Volann
Rocks Basalt
Sandbox Unknown
Shadowman Unknown
Shellhead Unknown
Shocksquatch Gimlinopithecus
Snakepit Unknown
Snare-oh Thep Khufan
Snorecupine Unknown
Spidermonkey Arachnichimp
Spitter Sphoeroid
Squidstrictor Cephalod-ae
Stretchleo Unknown
Swampfire Methanosian
Terraspin Geochelone Aerio
Toepick Unknown
The Worst Atrocian
Perk Upchuck Perk Gourmand
Murk Upchuck Murk Gourmand
Ventrilosquid Unknown
Walkatrout Ickthyperambuloid
Water Hazard Orishan
Way Big To'kustar
Whampire Vladat
Wildmutt Vulpimancer
Unnamed Unknown



  • The Omnitrix contains the DNA samples of every alien catalogued in the Omnitrixes from the Classic Continuity, even if most of them will not be appearing in the show.[DR 3]
  • Unlike the Omnitrices in the Classic Continuity:
    • The Omnitrix cannot collect new DNA by scanning other aliens.[DR 4]
    • The Omnitrix cannot repair DNA.[DR 5]
DNA pods
  • Crossover Nexus features Ben transforming into characters from nearly every Cartoon Network original series, a side effect of the Omnitrix being recreated by Strike's blaster. However, these forms can only be accessed in the Nexus Realm.[DR 6]
  • The crew looked long and hard at the original lineup of the Classic Continuity when deciding which aliens to include in the roster for Season 1.[DR 7]
  • It is possible that any aliens that were removed from the active playlist (excluding Upgrade) might return for future seasons.[DR 8]
  • The out-of-universe reasons for the Omnitrix having a new appearance every season are to repurpose unused designs from pre-production, to differentiate one season from another, as well as for marketing purposes.[DR 9]


  1. Gax was unlocked by Vilgax. He was destroyed when Vilgax absorbed his DNA in Omni-Tricked: Part 3
  2. Upgrade was removed when he merged with the Omnitrix and fused with Ben's DNA (thus becoming Glitch) in order to avoid destruction in Omni-Tricked: Part 4.
  3. Appoplexian DNA was used by Dr. Animo in Animorphosis even though Rath was locked during Season 2.


Crew Statements

Duncan Rouleau

Omnitrixes (Reboot)
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Omnitrix Antitrix

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