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Stargate SG-1: S9 E10
The Fourth Horseman (1)
Earth is infected with a deadly Ori plague, prompting an ally from SG-1’s past to come to their aid. Gerak proposes that the Free Jaffa follow the Ori religion.
S9 - E1Avalon (1) Jul. 15, 2005
S9 - E2Avalon (2) Jul. 22, 2005
S9 - E3Origin (3) Jul. 29, 2005
S9 - E4The Ties That Bind Aug. 05, 2005
S9 - E5The Powers That Be Aug. 12, 2005
S9 - E6Beachhead Aug. 19, 2005
S9 - E7Ex Deus Machina Aug. 26, 2005
S9 - E8Babylon Sep. 09, 2005
S9 - E9Prototype Sep. 16, 2005
S9 - E10The Fourth Horseman (1) Sep. 16, 2005
S9 - E11The Fourth Horseman (2) Jan. 06, 2006
S9 - E12Collateral Damage Jan. 13, 2006
S9 - E13Ripple Effect Jan. 20, 2006
S9 - E14Stronghold Jan. 27, 2006
S9 - E15Ethon Feb. 03, 2006
S9 - E16Off the Grid Feb. 10, 2006
S9 - E17The Scourge Feb. 17, 2006
S9 - E18Arthur's Mantle Feb. 24, 2006
S9 - E19Crusade Mar. 03, 2006
S9 - E20Camelot Mar. 10, 2006