#3 would be a cross between "Proving Ground," "Lockdown," "Avatar," and "Foothold," and would actually be the best thing ever. I want it with a burning passion. Whose side would Walter and Siler be on? I'm assuming Janet would be on Sam's side, unless Sam did something to make her suspicious... And Teal'c would claim to be immune from whatever it was because of his symbiote, but he'd be lying.