Power Rangers reimagined: Ninja Steel

A rewrite of the final season in the neo-saban era, the entire storyline reworked into a sequel to Ninja Storm with the five teens/future rangers being students training under sensei Dane at the Steel Ninja academy, one of many secret ninja schools (basically an offshoot of the wind and thunder ninja academies) chosen after Galvanax, an old enemy of Dane's and leader of the Yokai, returns to settle the score leading to the five ninjas in training being chosen to become power rangers.