After a horrible car accident killed his son, Dr. Tenma creates a robot replica of Tobio, complete with defense mechanisms to prevent a “second death”. Soon Tenma realizes that while the robot looks like his son, it’s not and disowns him. Found by a sleazy circus ringmaster, Tobio, now named Astro Boy, becomes part of a robot circus, where he is treated very cruelly. Soon a professor named Dr. Elefun, who just so happens to be an old colleague of Tenma’s realizes that and smuggles Astro out of the circus. From there Elefun becomes the head of the ministry of science and Astro Boy has to learn about the world and to become the defender of the world
