While Cal and Rose arrive at Southampton Dock, watch as Cal steps out of the car. Look through the back window and you will see a incomplete Titanic ready to take off from the dock. You can see the bare structure holding up the bow in the back as clear as day. The set itself was actually built only on 1 side. That's why you never see the entire replica (which was over 700ft long) in 1 certain shot. If you do, it is computerized. This is major!!! I'm surprised James Cameron did not notice this huge mistake. He should have just pulled down about 50ft and shot the scene at a different spot.

EDITORS NOTE: Well done! For a movie that has so many slip ups, it's rare to find one so major that hasn't been caught yet!