McKay: We turned the shield into a giant Replicator weapon.
O'Neill: I knew that!
Woolsey: You knew?
O'Neill: Well, I've seen Carter crack enough codes to know that McKay was faking the door thing.
Woolsey: He was? I bought it completely.
Teyla: I believe that was the point.
Woolsey: Wait a minute… You... You used me?
Beckett: You're alive, and you're welcome.