You can now watch the entire Ben 10 Ultimate Alien Season 1 Episode 1 movie online in high-definition quality, complete with English subtitles for a better viewing experience. Best of all, there’s no need to download anything—simply stream it directly from your device anytime, anywhere.
Ben's secret is out. As Ben deals with his new found fame, a new threat emerges as a thief steals parts of a new advanced spaceship from NASA.