Power Rangers Ninja Steel plot
Galvanax is the reigning champion of 'Galaxy Warriors', the most popular intergalactic TV game show where contestants prove who the most powerful warrior in the galaxy is. He wants to become invincible by obtaining the mythical Ninja Nexus Prism. To do this, he will have to go to Earth, where five teenagers use the Ninja Power Stars to transform into Power Rangers. Galvanax sends the warriors of "Galaxy Warriors" to steal the powers of the Rangers. However, they do everything they can to stop the evil threat and save the earth from destruction.