Creator
Creator
Cast
Sir George
Gwen Tennyson
Humungosaur
Kevin Levin
Ben Tennyson
Aggregor
Darkstar
Julie Yamamoto
Azmuth
Overview
Watch Ben 10: Ultimate Alien Season 1 full episodes online free watchcartoononline.
Synopsis: With his secret identity now revealed to the world, Ben Tennyson continues to fight evil as a superhero with the help of the newly acquired Ultimatrix.
Original title Ben 10: Ultimate Alien
TMDb Rating 8.1 194 votes
First air date Apr. 23, 2010
Last air date Mar. 31, 2012
Seasons 2
Episodes 52
Average Duration 23 minutes
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