5. Nightwalkers When a scientist working on stem cell research disappears, Carter, Teal'c and Jonas investigate and discover that the scientist's town is infested with Goa'uld who can only control the townspeople by night. Will Carter, Teal'c and Jonas be taken over next? 6. Abyss A Goa'uld lord holds O'Neill captive and tortures him for information about the Tok'ra. As O'Neill suffers, Daniel Jackson appears and offers support. Meanwhile, SG-1 races to rescue O'Nfeill before it's too late. 7. Shadow Play Jonas is conflicted when an old professor (Dean Stockwell) from his home planet asks SG-1 to help stage a coup against the Kelownan government in order to stop a civil war. Should SG-1 allow the planet to destroy itself...or are they placing themselves in needless danger? 8. The Other Guys Two bumbling scientists working on an off-world research project witness SG-1 getting captured in a Goa'uld raid and, defying orders, attempt to rescue it Little do they know that SG-1 staged the capture in order to infiltrate the Goa'uld and make contact with a Tok'ra informant.