Watch Invasion of Astro-Monster (1970) (1965) HD Full Movie Free on solarmovie.do. Watch Invasion of Astro-Monster (1970) (1965) online free. Astronauts investigate Planet X and encounter the Xiliens, who ask Earth's people to help save their...Astronauts investigate Planet X and encounter the Xiliens, who ask Earth's people to help save their world from "Monster Zero". As one astronaut forms a romance with a mysterious woman, he uncovers the Xilien's true intentions.