Endgame

US Airdate : 17 September 2004

UK Airdate : 7 December 2004

Summary

When the Stargate disappears in a flash of light, Carter and Jackson's investigation leads them to an industrial warehouse storing VX rockets and vials filled with what appears to be nerve gas.

Meanwhile, Teal'c discovers the mass deaths of Jaffa, spread across four planets. Could this horrifying event be connected to the gas?