Watch "Ben 10 Destroy All Aliens" online for free.

Ben 10: Destroy All Aliens is the latest installment of the highly successful Cartoon Network franchise Ben 10. Based on, but departing from, the original TV-series that started it all, it is the first Ben 10 adventure to be filmed in glorious CGI. Ben Tennyson is a ten-year old kid who returns from an intergalactic weekend trip stuck in several different alien forms. This makes him a target for the evil Retaliator, who is trying to destroy all aliens.. This latest Ben 10 movie is a welcome return to the original premise, features the original voice cast and promises great fun for young and old alike!