In a near future, the universe is passing through an age of darkness, the tyranny of the Organization DEMON-Dark has spread through all the galaxies and the nations fell into sorrow and fear! The DEMON-Dark wants to obtain Planetium, a energy that forms every planet and when a planet has its Planetium drained, it explodes and becomes space dust!! But, a secret organization called Rebellion has the solution for all this chaos: gather nine of its cadets to become the only resistance squad able to destroy the DEMON-Dark, the Power Rangers Astro Brigade!! With a elite arsenal of weapons, Zords and Megazords powered by the constellations, these nine different soldiers will fight a epic war to save the universe!!!