At four-years-old William Changed vanished into the woods... and returned. He's been the living proof that his grandmother and her fellow researchers into missing people were right all along about the terror from the stars and a vast government conspiracy. Now he's in hiding, avoiding everything except for the nightmares: fires, storms, disease and violence. The media, government operatives and renegade true believers are desperate to find him, but...

Freddy organizes a Martian baseball team for Mr. Boorschmidt's circus.

Twenty years ago, aliens from another planet made contact with Earth. Now, the refugee camp they are forced to live in has deteriorated into a slum-like ghetto. When field operative Wikus van der Merwe is put in charge of evicting the aliens, he contracts a strange virus that changes his DNA to match that of the refugees. As his body begins to mutate, he becomes a hunted man, and the aliens' only hope for freedom.

On the planet Nebulon in 2120, Zack joins his school's Explorer's Club and visits Juno, a planet made of crystals, but he is less than thrilled when he is partnered with the class bully.

Moving from Earth to the futuristic planet Nebulon in 2120, eight-year-old Zack is nervous about starting school and meeting people.

A space voyager living her dream of exploring new worlds lands on a distant planet ripe for colonization before her discovery of a mysterious relic transforms her life and threatens the entire human race. During a routine survey mission on an uncolonized planet, Kira Navárez finds an alien relic. At first delighted, her elation turns to terror when the ancient dust around her begins to move. As war erupts among the stars, Kira is launched into a...

Lyle, Karen, Janie, and Reese must find a way off an island while they dodge strange and dangerous things on the island.

American astronaut Captain Charles T. Baker thinks he is the first person to set foot on Planet 51. Little does he know the planet is inhabited by little green people who live in a cheerful innocent world. The only fear they have is that their planet will be overtaken by alien invaders from planet Earth. Now, before he becomes part of the Planet 51 Alien Invaders Space Museum, Captain Baker, with the help of his new friend, Lem, must figure out a...