The Mysterons attempt the takeover of a new advance warship the 'Proteus' Their attempt is only partially successful and a running battle evolves between the ships automatic systems and Spectrum agents trapped on board.
Did You Know?
Lieutenant Green clearly uses Captain Scarlet's colour-coded gun while attacking the cyber-robots. Although Captain Scarlet did have his colour-coded pistol in the room with Lieutenant Green, he took it with him when he left to find the course-heading. The gun should have a green hand grip, not a red/scarlet one. See more
Why should the Mysterons destroy the human race, when you're so ready to do it yourselves?