Ben 10: Ultimate Alien

Season 1 Episode 5

Escape From Aggregor

Aired Saturday 9:00 AM May 21, 2010 on Cartoon Network

Trivia

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  • Notes

    • Ben gains a new alien in this episode, which brings the amount of aliens Ben can turn into up to 17 (not including Ben's ultimate forms, if you do include them, it brings it up to 34).