The set is available in four different versions: * Five-disc DVD set — containing the theatrical versions of the five films. * Eight-disc Blu-ray set — containing the theatrical versions of the five films, plus the alternate cuts of the four Alien films (the Alien Director's Cut, the Aliens Special Edition, the Alien3 Assembly Cut and the Alien Resurrection Special Edition) and three discs of special features. * Nine-disc Blu-ray set — containing the theatrical versions of the five films, the alternate cuts of the four Alien films and three discs of special features, plus the 3D version of Prometheus. * Deluxe nine-disc Blu-ray set — containing all of the above, plus a host of other memorabilia including an art book and a t-shirt.