Video Sources
Stargate SG-1: 4x20
Entity
The SGC is invaded by an alien life force that takes up residence in the base computer system — and in Major Carter.
4 - 1Small Victories (2) Jun. 30, 2000
4 - 2The Other Side Jul. 07, 2000
4 - 3Upgrades Jul. 14, 2000
4 - 4Crossroads Jul. 21, 2000
4 - 5Divide and Conquer Jul. 28, 2000
4 - 6Window of Opportunity Aug. 04, 2000
4 - 7Watergate Aug. 11, 2000
4 - 8The First Ones Aug. 18, 2000
4 - 9Scorched Earth Aug. 25, 2000
4 - 10Beneath the Surface Sep. 01, 2000
4 - 11Point of No Return Sep. 08, 2000
4 - 12Tangent Sep. 15, 2000
4 - 13The Curse Sep. 22, 2000
4 - 14The Serpent's Venom Sep. 29, 2000
4 - 15Chain Reaction Jan. 05, 2001
4 - 162010 Jan. 12, 2001
4 - 17Absolute Power Jan. 19, 2001
4 - 18The Light Jan. 26, 2001
4 - 19Prodigy Feb. 02, 2001
4 - 20Entity Feb. 09, 2001
4 - 21Double Jeopardy Feb. 16, 2001
4 - 22Exodus (1) Feb. 23, 2001