Ben 10: Ultimate Alien is the third iteration of the Ben 10 franchise and the sequel of Ben 10: Alien Force (formerly called Ben 10: Hero Generation). It premiered on April 23, 2010. The art and story styles in this series is similar to Alien Force. The series follows on 16-year old Ben and Gwen along with 17-year old Kevin. The series premiered in the United Kingdom, Australia, Asia,Middle East and Latin America on 10/10/2010 at 10:00 A.M. on Cartoon Network. This is also the day a marathon of the episodes came on with a contest for the 10/10/10 event in America. This series is followed-up by another sequel series called Ben 10: Omniverse.