After shooting the android out of the sky, Gori sends Karras to recover it. The media reports that a flying man was seen attacking the monster and names him Spectreman. Gori discovers that Spectreman was sent by Nebulon71 to protect Earth.
The Overlords foresee an environmental emergency on Earth, so send Spectreman to investigate. Going undercover as George, he starts work with the Pollution Research and Control Squad in Tokyo. But Dr. Gori is also heading to Earth.