Earth is infected with a plague that has no cure; Matthew Gideon commands a ship to Earth to offer help.

The Excalibur crew encounters a dragon on a planet containing a mineral that may slow the effects of the plague on Earth.

Galen proposes searching hyperspace for the mysterious Well of Forever in hopes of obtaining answers to many questions.

An alien in a bubble is all the crew finds on a planet with a reputation as a place of healing. Stars Gary Cole, Tracy Scoggins, Daniel Dae Kim, David A. Brooks, Marjean Holden, Carrie Dobro and Peter Woodward.

Dispatched to evacuate an Earth colony, the Excalibur crew encounters a sinister secret and a bittersweet new hope for one of them.

A murder signals a threat to a Mars conference of medical experts gathered to coordinate the search for a cure to the plague.