Lifeline
S4, E2: Lt. Col. Sheppard leads his team on a high-risk mission to the core of the Replicator home world; Samantha Carter races against time to locate the city of Atlantis.
Starring Torri Higginson, Michael Beach, David Nykl
S4, E2: Lt. Col. Sheppard leads his team on a high-risk mission to the core of the Replicator home world; Samantha Carter races against time to locate the city of Atlantis.