Getter Robo Āḥ is the fifth installment in the chronological order of the Getter Robo series. The story takes place several years after Getter Robo Go, where Earth has become a post-apocalyptic world. Hayato, now an older scientist, has successfully completed Professor Saotomes masterpiece known as Getter Robo Āḥ. Takuma, Ryomas son, pilots the robot alongside Kamui, a human-dinosaur hybrid and Baku, Tayel's younger brother. They join forces with the reformed Dinosaur Empire to combat Andromeda Flow Country, an insectoid threat that attacks from across time and space.