Devon and other colonists search for Bess after an illness makes her flee.
When food runs low, Bess barters with a Grendler; while asleep, Alonzo communicates with Terrians.
Virus-stricken colonists discover scientists aboard a crashed starship are linked to an orbiting supercomputer controlling their disease.
Looking for a crashed pod, Danziger, Alonzo and Heller kill a Grendler; its mate kidnaps True.
Devon's dreams show her son's future: adult Uly, a rebel leader of the Terrians, contacts her.
The evil spirit of a Terrian that has been frozen for thousands of years inhabits one of the colonists; guest Roy Dotrice.
A rip in the time/space continuum that could transport the group to New Pacifica instead places some in dire circumstances.
Devon falls for the leader of a band of penal colonists who dream messages to loved ones on the stations.
Virtual reality distress signals indicate a mysterious woman is being stalked by a suspected murderer.
Terrians hold the cyborg Yale hostage in retribution for an accidental death; Morgan must decode the geo-lock instrument.
When Morgan discovers a potential energy source, he stakes his claim with a device that petrifies all living creatures within its perimeter.
Taken hostage by Terrians during a snowstorm, Alonzo learns of a plan to take Ulysses away from Devon.
After abandoning traitorous Heller, the colonists encounter a genetically altered killer.
Pressured by the Council to reveal Ulysses' location, Heller performs an experiment on him that endangers her life.
Heller is ordered to perform surgery on Ulysses to uncover his connection to the Terrians.
Devon and Danziger are captured by Terrians while seeking water.
The colonists discover another group of settlers who have been weakened by a deadly virus; rumors of sabotage beget finger-pointing.
Danziger learns True still consorts with Gaal, though he is barred from the caravan.
Gaal tries to cause dissension among the colonists and dupe True into helping steal a vehicle.
A stranger arranges a trade of provisions for one of the pioneers held hostage by the natives.
After a crash-landing destroys their supplies, people from Earth struggle to survive on another planet.
Humans attempting to colonize an Earthlike planet struggle to survive after a crash-landing destroys their supplies.