All-star ninjas Natalie Duran and Najee Richardson mentor 16 11- and 12-year-old semifinalists as the tournament is narrowed to the final four.

All-star ninjas Meagan Martin and Kevin Bull mentor 16 13- and 14-year-old semifinalists as the tournament is narrowed to the final four.

All-star ninjas Drew Drechsel, Barclay Stockett, Natalie Duran, Najee Richardson, Meagan Martin and Kevin Bull return to mentor the final four competitors from each age group, as the Champions of American Ninja Warrior Junior are crowned.