After finding a group of people who believe in slavery, Jonah is captured and himself enslaved. Then it is up to Ruth, Samuel and Adam to free them and expose the leader as a fraud.

The crew of Ark II must save a wild boy who is being hunted like an animal by local tribes.

Jonah risks his life to save Samuel after Samuel is taken over by a computer with the ability to control minds.

A boy who does not like the way his fellow villagers are being treated, tries to help them by joining the crusade of a character calling himself Robin Hood.

The Ark crew meet a group of children with mysterious mental powers.

The Ark II crew helps a community who is battling a mysterious epidemic.