Major Sheppard plays a dangerous game of cat and mouse with soldiers who have seized control of Atlantis and taken Weir and McKay hostage.

SG-1 is accused of stealing an important weather-controlling device, sending a primative planet into chaos. The team discovers that Earth’s second Stargate is being misused.

Crowley tells Bobby he will give him the location of Death, the fourth horseman, in exchange for his soul. Knowing Sam and Dean need that fourth ring to stop the…