The 999 was interrupted by an UFO near the Planet of Forgotten Parents. The rustic planet got its name when the youth left their parents behind to find new lives. The innkeeper mistook Tetsuro for his son, Tetsuo, but his wife explained that he went mad while waiting for him. The real Tetsuo to a factory as a slave. He killed the slavemaster and escaped in an UFO. A secret agent located Tetsuo and took him back to the slave planet, but Tetsuro offered her to take him instead, so that Tetsuo's father would not have to suffer. The agent was moved by Tetsuro and released both of them. (thetvdb.com)