Young Charlie protects the Earth fighting against the extraterrestrial Blasters with the sentient robot Astroganga
a human robot from space that mixes up with a boy in order to defeat the alien invaders which are expected to attack. the boy cantaro is half human from his father's side and half alien from his mother's side. the blue robot has a connection with the boy through a piece of metal which the boy owns. when the boy and robot fuses into one part they become undefeatable.
