On disc one, at the [Main Menu], move the cursor to [Movie Theatre]. Press [Down] 3-4 times, or until the gauge with two arrows pointing to it is highlighted. This will allow you to watch the theatrical trailer.
On disc two, to open the safe left of the chair, select the drawers on the [Right] of the chair. Then press [Down] to highlight a crumpled piece of paper in the bottom left corner of the drawer. Use the combination on the paper to open the safe for a surprise.