When you are at the main menu screen,go to special edition version. And when the people are operating on Ripley,she wakes up, looks at the cut in her chest,grabs on to a doctor's wrist, and slams him into the glass ncase.
Clone
If you didn't pay attention in the beginning, Ripley is a clone!
Trailers for all four Alien movies
Select the "Extra Features" option from the main menu. Select the "Trailers" option to view trailers from all movies in the series.