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Stargate SG-1: Season4 | Episode20
Entity
The SGC is invaded by an alien life force that takes up residence in the base computer system — and in Major Carter.
S4 - E1Small Victories (2) Jun. 30, 2000
S4 - E2The Other Side Jul. 07, 2000
S4 - E3Upgrades Jul. 14, 2000
S4 - E4Crossroads Jul. 21, 2000
S4 - E5Divide and Conquer Jul. 28, 2000
S4 - E6Window of Opportunity Aug. 04, 2000
S4 - E7Watergate Aug. 11, 2000
S4 - E8The First Ones Aug. 18, 2000
S4 - E9Scorched Earth Aug. 25, 2000
S4 - E10Beneath the Surface Sep. 01, 2000
S4 - E11Point of No Return Sep. 08, 2000
S4 - E12Tangent Sep. 15, 2000
S4 - E13The Curse Sep. 22, 2000
S4 - E14The Serpent's Venom Sep. 29, 2000
S4 - E15Chain Reaction Jan. 05, 2001
S4 - E162010 Jan. 12, 2001
S4 - E17Absolute Power Jan. 19, 2001
S4 - E18The Light Jan. 26, 2001
S4 - E19Prodigy Feb. 02, 2001
S4 - E20Entity Feb. 09, 2001
S4 - E21Double Jeopardy Feb. 16, 2001
S4 - E22Exodus (1) Feb. 23, 2001