This entry in Cartoon Network's popular `Ben 10' franchise features the superhero exploring the quirky side of the alien underworld in a secret alien city. Although Ben's ready to work alone, Grandpa ...

a disillusioned Ben 10,000 is called out of retirement to recruit his 10-year-old version from the past. Based on the 2016 reboot.

When Ben meets a young Generator Rex on the run from a hostile Providence, he must work through a series of misunderstandings, and defeat the dark wizard Hex in order to save the world.

All of Ben Tennyson's original alien transformations were cool, but some were much more useful than others, like Heatblast and Upgrade.