Omnitrix 101: What is It and How Does It Work?
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In the reboot, Ben's Omnitrix gets upgraded or rebooted at the end of every season, with a new look. In the classic continuity, Ben's original Omnitrix recalibrates at the beginning of Alien Force, and gets destroyed at the end of the series. After using the Ultimatrix during the events of Ultimate Alien, Ben gets a new Omnitrix from Azmuth, that he uses throughout Omniverse.