Sigourney Weaver and Winona Ryder star in the fourth installment of the Alien series. Two hundred years after Lt. Ripley (Weaver) died, a group of scientists clone her, hoping to breed the ultimate weapon. But the new Ripley is full of surprises … as are the new aliens. Ripley must team with a band of smugglers (including Ryder) to keep the creatures from reaching Earth. Includes the theatrical and extended cuts of the film.