The crew struggles to establish a sense of order on the ship. Two investigations uncover more questions than answers.

The crew must devise a plan after identifying a planet rich in much-needed fuel.

The situation onboard Ark One seems hopeless after crew members are taken hostage.

The crew must decide the best way forward with or without help from their nemesis, Evelyn Maddox.

The arrival of new crew members presents questions of who can be trusted and what to do with them.

An unexpected visitor wreaks havoc on the ship's electrical system.