I walked. I could do nothing but walk. And then, I saw me walking in front of myself. But it wasn’t really me. Watch out. The gap in the door… it’s a separate reality. The only me is me. Are you sure the only you is you?
Dallas: Well… some of you may have figured out we’re not home yet, we’re only half way there. Mother’s interrupted the course of our journey. She’s programmed to do that should certain conditions arise. They have. It seems that she has… intercepted a transmission of unknown origin. She got us up to check it out.
Ripley: A transmission? Out here?
Lambert: What kind of a transmission?
Dallas: Acoustical beacon. It, uh… repeats at intervals of 12 seconds.