Its been 5 years since Ben last wore the Omnitrix. But when Grandpa Max goes missing, Ben must go hero once again. Now its up to Ben, Gwen and Kevin to find new half-alien allies and stop a secret Highbreed invasion.
Episodes
1. Ben 10 Returns: Pt 1
2. Ben 10 Returns: Pt 2
3. Everybody Talks About the Weather
4. Kevin's Big Score
5. All That Glitters
Episode Synopsis. Warning Spoilers!
1 "Ben 10 Returns: Part 1"
After Grandpa Max disappears, Ben and Gwen decide to finish his last job while searching for him. Magister, Max's alien partner, guides them to an arms trade between the Forever Knights and the DNAliens, brokered by Kevin Levin. Kevin is captured, but the Forever Knights escape with one of the weapons crates. Kevin, having not been paid, leads them to the Forever Knights' hideout, where they encounter a robotic dragon.
2 "Ben 10 Returns: Part 2"
Fleeing from the dragon, the group runs into an army of Forever Knights. In the ensuing confrontation, Magister is killed when he saves Kevin's life, and Kevin joins Ben and Gwen on their search for Max to repay that debt. After Ben, Gwen and Kevin track the weapons to a secret underground base, they discover an army of aliens, led by the Highbreed commander. Annoyed at being discovered, the Highbreed commander orders the termination of all life within a five-mile radius to eliminate any witnesses. In Ben's successful efforts to stop the commander, he learns that any damage he receives while transformed is inflicted upon his human form as well.
3 "Everybody Talks About the Weather"
The authorities arrest a half-human, half-Pyronite boy named Alan for arson and criminal damage. Alan is wearing a Plumber's badge, which the local sheriff triggers when he confiscates it. The badge signals Magister's badge, which leads Ben, Kevin and Gwen to Alan. After a battle with Alan, Ben discovers that the DNAliens are responsible for the damage, having built a weather machine in the field. With Alan's help, Ben destroys the machine, and afterwards Alan offers to aid them whenever they need it.
4 "Kevin's Big Score"
Just when Ben and Gwen start to trust Kevin, he runs off with the Rustbucket in hopes of trading it for alien technology. However, he is double-crossed by one of his old contacts and the Rustbucket is stolen. Before he can get it back, it is stripped for parts. Having been told that Vulkanus -- who he had double-crossed years ago -- is in possession of the alien device he seeks, Kevin tries to make a deal. Still bitter, Vulkanus has Kevin absorb a rare alien crystal, planning to use him as a living gem mine. He is rescued by Ben and Gwen and afterward reveals that the item he sought is a holo-viewer with another message from Grandpa Max, telling Ben that he will need to recruit a team.
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