Chodenji Robo Combattler V

is a Japanese mecha anime television series produced by Toei Animation and animated by Nippon Sunrise. It aired on TV Asahi from April 17, 1976 to May 28, 1977 for 54 episodes.

Plot
Thousands of years ago, the people of the planet Campbell decided to leave their planet and seek out new worlds for migration. One group lead by the scientist Oreana, landed on Earth, but was delayed from their mission. In the early 21st century, Oreana's group reawakens and begins their plan to conquer the Earth. The only effective defense against the Campbellians' giant biomechanical slave beasts is the super-electromagnetic robot, Combattler V and its pilots.