Ben 10: Ultimate Challenge is a game show for children themed after the Ben 10 series, developed by Turner Broadcasting System Europe in association with Twenty Twenty for various regional Cartoon Network channels. The show is running in twenty-five countries, and in seventeen countries in different languages and hosts starting from November 2011. Contestants include children between 7 and 12 years old. The series had a revival as Ben 10 Challenge following the Ben 10 (2016 TV series). Ben 10 Challenge premiered on Cartoon Network UK on 13 October 2017.