Unnatural Selection


 * Series: Stargate: SG-1
 * Episode: 6.12
 * Original air date: 10 January 2003

Summary
The Asgard homeworld is overrun by Replicators and SG-1 is asked to help the Asgard with activating a weapon disarmed by the Replicators which should make the Replicators to be frozen in time.

Production

 * Story by: Robert C. Cooper & Brad Wright
 * Teleplay by: Brad Wright
 * Directed by: Andy Mikita

Guest stars

 * Ian Buchanan as First
 * Patrick Currie as Fifth
 * Gary Jones as Walter Harriman
 * Kristina Copeland as Second
 * Tahmoh Penikett as Third
 * Rebecca Robbins as Fourth
 * Shannon Powell as Sixth
 * Dan Shea as Sergeant Siler
 * Michael Shanks as Thor