Anyway, back in Manhattan, Windmark is scribbling away in his notebook -- here's hoping that the good folks at Moleskin will still have jobs two decades into the Observer occupation -- when another Observer comes in to tell him that Walter Bishop has been sighted in Quadrant 9. Man, that was a long time ago. Nice alert system, Observers. Windmark asks if the guy is certain. He is, and Windmark -- very dramatically -- puts on his fedora. It takes him ten seconds to get ready, the guy's a total pro.
Anyway, Peter and Olivia follow Walter's directions. Walter appears to really be enjoying himself -- dramatically telling the camera, "If you continue on to where the hall you're in dead-ends, you will find that it's not a dead-end at all!" Sure enough, Olivia finds the end of the hallway an optical illusion and ducks around another corner, with Peter following her as they listen to Walter telling Donald that it doesn't look like the camera's recording because the light's not on, with Donald assuring him it is recording.
Then Peter and Olivia realize that Walter is talking to someone other than Donald on the video... someone who's afraid for some reason. Video Walter is assuring the off-camera person that there's nothing to be afraid of: "...Through the Looking-Glass, and What Alice Found There? This place is like that," Walter tells whoever it is.
Just then though, Peter and Olivia hear a noise and start running down the hallway, thinking it's Walter and moments later they do catch up with him, as he's muttering, "There's nothing in there" as he comes out of a room.
Peter scolds Walter for leaving the lab alone and Walter is a mixture of confusion, guilt and anger -- he seems surprised at himself for doing so: "All I thought about was retrieving what was on that tape. I couldn't think about anything else. All I cared about was finding the next piece of the plan," he explains, a little testily.