You will Watch Martin Mystery Episode 36 online for free episodes with HQ / high quality. Stream cartoons Martin Mystery Episode 36 They Came from Outer Space Part 2 Martin, Diana & Java learn more about Billy’s (A.K.A Ganthor’s) past from M.O.M and find out that he was once a savage, evil free-form alien leader who had destroyed countless planets until finally he had, had enough. He abandoned his army and traveled to earth where he vowed to never hurt anyone again, or use his powers. The trio set-up a prisoner exchange: Billy for the two other aliens. It goes awry and the aliens signal for the mother ship to come and invade earth. Billy finally stops the mother ship by flying into its engines and blowing it up. He returns at the end of the episode.