13. Sight Unseen SG-1 returns from an off-world mission with an ancient artifact that triggers the ability to see hideous yet harmless life forms in a parallel reality. As the effect spreads to civilians off base, O'Neill and SG-1 must find a solution before mass hysteria breaks out. 14. Smoke and Mirrors Senator Kinsey suffers an assassination attempt while campaigning for the office of the president, and O'Neill is caught on tape leaving the building where the shots were fired. With O'Neill behind bars, Carter, Teal'c and Jonas must prove his innocence before it's too late. 15. Paradise Lost Colonel Mayboume visits O'Neill and claims to have a key to a cache of alien technology - but he demands a presidential pardon for his crimes in exchange for the knowledge. When SG-1 accompanies Maybourne to retrieve the cache, they find that his intentions may not be all they seem. 16. Metamorphosis SG-1 discovers that Nirrti, in an attempt to create the perfect human host, is mutating the inhabitants of an unexplored planet with a machine that rearranges their DNA. Captured in an attempt to stop her, O'Neill must find a way to escape before he and SG-1 are subjected to the same fate.