The twentieth season of the long-running American children's television program Power Rangers produced by SCG and began airing on Nickelodeon on February 2, 2013 as part of the Power Rangers 20th anniversary. When the evil Warstar aliens plan to attack Earth, the supernatural guardian Gosei, assigned to protect Earth by Zordon, and his faithful robot assistant Tensou recruit five teenagers with attitude to combat the invading forces. Equipped with powers that grant them mastery over martial arts and other forms of combat, the teenagers transform into the latest champions of good: The Power Rangers Megaforce. Season 2: Super Megaforce In the second Super Megaforce season, when an alien armada led by Prince Vekar - the brother of Vrak - plans to invade the Earth, Gosei gives the Megaforce Rangers new Morphers and special keys to allow them to become the Super Megaforce Rangers and also imbues them with the power to transform into any past "Legendary" Power Rangers. In course of time, due to their virtues and fighting spirit, they unlock various megazords of the past rangers (meeting several along the way). An alien named Orion, whose home world was destroyed by the armada, then joins their ranks as the Silver Ranger, and gets all the legendary Sixth Ranger along with those of Robo Knight. Later, in a battle with the most powerful mach