Commercial
Insert the second disc of the set and go into the Special Features section. Once there, highlight the Additional Special Features menu entry and then press the Right arrow key on your remote control. This will highlight another Christmas present. If you press Enter you get to see what a commercial for the infamous Leg Lamp.
Deleted Scene Script
Insert the first disc of the set and on the Main Menu select Special Features. On the following screen highlight the Theatrical Trailer menu entry and then press the Down arrow key on your remote control. This will highlight a Christmas present. Press the Enter key now and you will have the chance to read the script for a scene that did not make it into the final movie.