Mirai Robo Daltanious (未来ロボ ダルタニアス, Future Robot Daltanious) is a sci-fi mecha anime produced by Toei Animation in collaboration with Sunrise Inc. (then known as Nippon Sunrise) and aired between March 1979 to March 1980 on Tokyo 12 Channel, lasting 47 episodes. In the year 1995, the Earth is conquered by the Akron, a space army from the Saar Cluster. Kento Tate and his friends are war orphans, and hide out in a cave. There, they find a secret base owned by Dr. Earl, an escapee of the conquered planet Helios, as well as his robot Daltanious, which strengthens when combined with the lion robot Belarios. Kento, revealed to be the descendant of an ancient Helios royal family, his friend Danji Hiragi, and Belarios now fight the Akron with Daltanious.