Shuriken Sentai Ninninger Season 1 Episode 30 The Ninja School is Targeted! ( Air Date 2015-09-20 ) Genre Action & Adventure, Sci-Fi & Fantasy, Kids category. Overview "The evil warlord Gengetsu Kibaoni was defeated 444 years ago by the Last Ninja, the head of the Igasaki Family. In 2015, the Kibaoni Army starts rebuilding their empire and use fear harvested from humans to revive him. Five members of the Igasaki family must use their Nintality to transform into the Ninningers and fight to prevent the revival of Gengetsu Kibaoni.".