Great sites
Mistakes
When Dr. Bishop is using the special camera to capture the images on the dead woman's retina, he tells everyone to put on their goggles to protect them from the flashes. Once they find the image they need, everyone takes off their goggles, yet the camera is still flashing, and there are no ill effects. See more...
Trivia
Michael Cerveris makes his first significant appearance in this episode as The Observer/Bald Man. However if you watch the series from the beginning, he makes fleeting appearances in every episode, sometimes on a tv screen. See more...
Phillip Broyles: Someone out there is experimenting, only the whole world is their lab.
Olivia Dunham: I just want to go back to before.
Phillip Broyles: Dunham, I don't think you can.