On the planet Terranu, two families have established a research base to look for extraterrestrial life. One day four young friends spot a watery tentacle slither out of the nearby river... and a pair of eyes watching from across the water! Soon the two families meet the planet's natives, but they aren't pleased by the humans' presence. The aliens challenge them to a contest. If the humans win, they can stay on Terranu. But if they lose, they must leave immediately. It's up to the young friends and their special powers to win the contest. Will their families be forced to leave the planet forever? Or will the humans and aliens learn to live together in peace?

Far in the future, Earth's oceans have risen. Coastlines have changed to create new islands far from shore. Even worse, Earth has been invaded by aliens known as the Hunters. They are masters of camouflage and enjoy hunting down humans and other creatures for sport. On the island of Humanhattan, one family is ready to make the dangerous trip to the safety of the government Fortress. But when Rio and his friend, Ani, are separated from their parents, they have to rely on their wits and quick reflexes to avoid the deadly Hunters. Will the two young friends survive until help arrives?

It's been a year since the Fortuna colony was established. The human colonists were invited by alien beings to settle on the moon in a distant solar system. The aliens never showed themselves, but they provided the humans with everything needed to thrive in their new home. However, several colonists have recently disappeared without a trace. The colony's leaders decide that the settlers need to leave. But before they do, the colonists are invited to share a final meal with their alien hosts. What happened to the missing humans? And why did the aliens invite the colonists to share their world? All will be revealed at the final feast!

A group of six young miners are exploring Asteroid AX245 to find the mineral ixonium. It is the most valuable substance in the galaxy and is used to power interstellar travel. The group splits into three teams to explore some tunnels in the asteroid's surface. But just before one team begins digging into the rock, they receive an urgent message. The other team reports seeing a black, gooey substance oozing out of the rock. Their report is cut off by their loud screams... and then total silence. What happened to Team Gamma? And what is the black goo that seems to have a will of its own? Can the rest of the young miners discover the truth about Asteroid AX245 before it's too late?