In this episode, Niva catches up with Onuss, the alien troublemaker she’s been sent to recover.
This is a sci-fi story I’ve had kicking around in my head for years. The Titans are a force of peacekeepers, essentially. I guess a close equivalent would be DC Comics’ Green Lantern Corps, although they Titans are not quite as friendly as the GL’s. They’re very, very far away from Earth, with essentially no hope of ever getting back there, so they have to make do where they are.