In this scene, which takes place as Dallas and Ash first examine the facehugger, Lambert confronts Ripley for refusing to admit the search party back aboard the ship. this heated scene was dropped, leaving an undertone of tension between the two woman that remains unspecified in the final version.

Alien 5 being a prequel confirmed-:
http://www.totalfilm.com/news/alien-5... ''It's actually a prequel movie that will explain the origins of the space jockey spaceship.''

Plot:
The story begins when the crew of the commercial transport ship Nostromo receive a transmission which might be of nonhuman origin.

They land on the deserted moon Acheron LV-426 and find a derelict spaceship with a dead alien and many large eggs.

Directed by Ridley Scott
© 20th Century Fox

I recommend the High Quality version