13. The Curse When Daniel's old archaeology professor dies in a mysterious lab explosion, he pays a return visit to his old academic stomping grounds. With a Goa'uld stalking the campus and the locals abuzz with talk of an ancient curse, Daniel must unravel the mystery before it's too late.
14. Serpent's Venom SG-1 are dispatched to thwart a burgeoning alliance between Apophis and Heru'ur. Teal'c is captured by the Goa'uld. Do they try to rescue Teal'c? Or does the success of their mission outweigh the life of their friend?
15. Chain Reaction When General Hammond announces he is retiring, O'Neill suspects that there is more to his decision than he is letting on. Hammond's replacement breaks up SG-1, so O'Neill takes on the NID. But his success will rest in the hands of a most unlikely ally: Colonel Maybourne.
16. 2010 It's 2010. The Goa'uld have been defeated and diseases have been wiped out. Earth's saviours are an alien race known as the Aschen. But Carter finds out the Aschen are plotting to wipe out the human race. SG-1 comes to realise that there is still hope...ten years in the past.