When evil Admiral Malkor sends insectoid Warstar aliens to attack our planet, the ancient guardian Gosei summons five ordinary teens with talent and attitude to become Earth's mightiest defenders-The Power Rangers Megaforce! The five friends battle the rock beetle Scaraba, the human-abducting scientist Yuffo, and other villains. With the help of special Power Cards, amazing new MegaZords, and the energy of sky, land and sea, the Megaforce saga explodes with action, humor and excitement!