If you’re a fan of the Ben 10 franchise, Ultimate Alien stands as a pivotal chapter where the stakes hit an all-time high. Airing from April 23, 2010, to March 31, 2012, this series takes a sixteen-year-old Ben Tennyson into a world where his secret identity is finally public knowledge. Armed with the new , Ben can now evolve his alien forms into their "Ultimate" states, offering a massive power boost when facing galactic threats.
: A cult disguised as a benevolent group works to bring Dagon into the human world.
: Ben meets his 10-year-old self in a time-travel crossover.
You can also find the complete DVD box set titled "Ben 10: Ultimate Alien – The Complete Series."
Ben 10: Ultimate Alien (TV Series 2010–2012) - Episode list
Below is the complete list of episodes in production order (standard viewing order).