Gosei , a supernatural being who has protected the earth for centuries with his robotic assistant, Tensou . But when the evil Warstar aliens begin their massive invasion, Gosei calls upon five teenagers with attitude to form the ultimate team...the Power Rangers: Megaforce!
When the teens morph into Power Rangers, they gain superhuman strength, agility, and mastery over martial arts. In addition to defending earth against the Warstar aliens, other monstrous factions emerge to challenge the Megaforce Rangers. Under the leadership of a malevolent alien, toxic beasts rise from their slimy underground lair to attack the Earth and a ruthless robot army launches an offensive from their deep sea compound. In order to face these new threats, the Power Rangers Megaforce unlock powerful battle modes to fight their adversaries.