Ruthless Prince Vekar has arrived with his massive alien Armada to conquer the earth. To face this new threat, Gosei gives the MEGAFORCE RANGERS special Morphers and Keys, which allow them to morph into SUPER MEGAFORCE RANGERS! Using these special Keys, they also have the amazing new ability to morph into any team of Legendary Rangers from the past. Super-sized villains, super-sized powers and action-packed adventure can only mean one thing: the all-new POWER RANGERS SUPER MEGAFORCE has arrived!