American Ninja Warrior Junior (2018) is a Family, Kids series that follows the next generation of "American Ninja Warrior" begins, as some of the show's biggest fans now get an opportunity to compete for the chance to be named American Ninja Warrior junior champion. Currently, you can watch American Ninja Warrior Junior on Peacock Premium, Peacock Premium Plus. Streaming availability may vary by country and platform over time. It has a user rating of 8.5 out of 10 from 11 votes. Fans of family series may also want to explore similar titles below.