For centuries, the earth has been protected by a supernatural guardian named Gosei and his robotic aide, Tensou. When the evil Warstar aliens plan a massive invasion of Earth, Gosei calls upon five teenagers with talent and attitude to form the ultimate team...the Power Rangers Megaforce! Using their newfound special abilities, mega-weapons, high-tech Zords and giant Megazords to battle this new alien threat, the Power Rangers Megaforce prove that "Earth's defenders never surrender!" Go Go Megaforce! New Rangers, Zords, enemies and battles make this anniversary season the most exciting yet! Featuring five new Power Rangers protecting our earth from the evil Warstar aliens to prevent a massive invasion, Power Rangers Megaforce: Ultimate Team Power - Volume 1 includes the "Power Rangers Morph Through 20 Years" featurette