3x21 Nemesis

Originally Aired: 03.10.00
Syndication Air Date: 05.14.01
Written by: Robert C. Cooper
Directed by: Martin Wood
Guest stars: Colin Cunningham (Major Davis), Gary Jones (Technician), Guy Lee-Frazier (Technician #2)

Synopsis:
SG-1 faces creatures of mass destruction called the replicators that even the Asgard can't control, and must destroy Thor's infested vessel before the Replicators reach Earth. (Part 1)

Text by Zhuge Flea