Season: 4
Original Airdate: December 7, 2007
Writer(s): Brad Wright & Joseph Mallozzi & Paul Mullie
Director(s): Will Waring
Guest Stars
Torri Higginson as Elizabeth Weir
Jewel Staite as Dr. Jennifer Keller
David Nykl as Dr. Radek Zelenka
Kavan Smith as Maj. Evan Lorne
Reese Alexander as Major Jordan
Chuck Campbell as Technician (Chuck)
Tammy Hui as Replicator Gate Tech
Sean Millington as Marine
Ernie Jackson as Replicator
View: Script
Synopsis: A rogue group of Replicators creates duplicates of Sheppard’s team and Dr. Elizabeth Weir in the hope of discovering how to ascend like their creators, the Ancients.