A deadly plague threatens the town; racial tensions rise when the Irathients, who are immune to the virus, are quarantined.

Interesting relationships develop when the residents of Defiance are forced to stay indoors as a threatening Razor Rain storm approaches. Meanwhile, visions lead Irisa to the Spirit Riders and Sukar,…

While investigating vicious Hellbug attacks, Nolan & Irisa realize they are tied to Irathient spirit raiders that have come into town. Meanwhile, Irisa starts experiencing strange visions.

SG-1 discovers a civilization that uses Unas as slave labor, and attempt to liberate Daniel’s friend, Chaka.

O’Neill and Lieutenant Tyler are ambushed by Goa’uld forces and trapped behind enemy lines — while the rest of their team discover they don’t know who Tyler is.

Dr. Jackson is taken captive by an Unas while on an archaeological dig. The SGC mounts a rescue operation, but discovers a danger of their own.

When Major Carter’s father Jacob is kidnapped by Sokar, the SG-1 team must infiltrate a prison moon designed to look like hell to rescue him.

SG-1 must escape a hellish prison moon, and one of their worst enemies.

SG-1 discovers a military camp where young men are trained to impersonate SGC personnel to infiltrate Earth.

When the team finds a crashed ship on another planet, their efforts to help the crew effect repairs are hindered by a group of aliens.

SG-1 attempts to save a planet’s inhabitants from Nirrti’s genetic experimentation, but find themselves to be her next victims.