Crusade

An advanced starship searches for the cure to an alien virus that could kill everyone on Earth.

Gideon mediates between Earth miners and the residents of a planet containing a virus-fighting mineral--and a fire-breathing dragon.

Galen persuades Gideon to seek a mystical crossroads. An investigator probes Matheson's mind.

A mysterious sphere prompts Gideon and the others to relive traumatic moments from their past.

Gideon must deport a colony of renegade humans. Dureena finds a lost tribe of her people.

Gideon and Lochley must prevent a doomsday cult from killing everyone at a virus conference.

While negotiating with stubborn aliens, Gideon involves Lochley in danger and romance. Eilerson's ex-wife begs for help with a brutal moneylender.

Gideon must outwit an alien consciousness that takes over the Excalibur's crew.

Gideon and crew find themselves trapped by an alien civilization using sinister methods to seek a cure for the same virus that attacked Earth.

Galen warns Gideon not to explore a planet where the inhabitants were suddenly eradicated.

Gideon conducts an illegal raid to free a fugitive with information that could save Earth.

Two persecuted alien investigators believe that Earth is covertly invading them.

A dangerous experiment takes place aboard the Excalibur. RICHARD BIGGS guest stars.