 A crack team of pilots are selected by the Galaxy Alliance to travel to Planet Arus and uncover the secret of a weapon from ancient times - Voltron! Lance, Sven, Hunk and Pidge arrive too late, the planet has already been completely devastated by the evil forces of King Zarkon. They engage in battle with Zarkon s general Yurak, only to be captured and thrown into the dungeons on Planet Doom.