Power Rangers Troy, Noah, Emma, Gia, Jake, and Orion are in for the fight of their lives as they battle their greatest enemies yet - dimension-hopping Professor Cog, Prince Vekar's mighty Armada Megazord, Emperor Mavro and his Royal Guard, and Damarus, the most lethal warrior in the universe! And when Vrak returns, transformed and more powerful than ever, he will turn one of the Power Rangers' most trusted allies against them. The Megaforce will never be the same after facing DARK ROBO KNIGHT!