Ben 10: Alien Force, a sequel to the original Ben 10 series, premiered on Cartoon Network, continuing the adventures of Ben Tennyson.
The Ben 10: Alien Force series concluded its run on Cartoon Network after three seasons.
Ben Tennyson discovers the Ultimatrix, an upgraded version of the Omnitrix, allowing him to transform into new alien forms and evolve his previous alien transformations.
Ben reunites with Gwen and Kevin after five years apart, and they form a new team to face threats emerging after the return of the Highbreed.
The team encounters Eon, a time-manipulating villain trying to control time itself, leading to a battle that affects the timeline.
The Highbreed, an alien race seeking to cleanse the universe of humans, begin their secret invasion of Earth, prompting the team to respond.
The team uncovers the DNA Alien Archive, a database containing alien DNA, which becomes crucial for Ben's new alien forms.
Ben temporarily loses the Ultimatrix during a confrontation, forcing him to rely on his own abilities and team support.
Ben unlocks the ultimate forms of his aliens, significantly increasing their powers to combat the Highbreed threat.
The team engages in a decisive battle against the Highbreed to prevent their plan to destroy Earth and humanity.
In a significant move, Ben entrusts the Omnitrix to Gwen, signaling a passing of responsibility and trust within the team.
