Corrected entry: How did the stowaway facehugger impregnate the dog (or ox, depending on which version of the movie) after it had already impregnated Ripley with the Alien Queen? Alien 1 & 2 had already established that facehuggers die shortly after impregnating a host. Not only would it be impossible for the same facehugger to impregnate 2 hosts, but it should have died after impregnating Ripley.Teru_Kage
Corrected entry: This mistake is slightly different from how the eggs actually got onto the Sulaco (that mistake was already addressed in another post). In all other movies, the eggs were 'hatched' by some sort of movement or trigger. Since what was left of the crew was in stasis, they were completely motionless and would not have triggered the egg to open up.12o
Corrected entry: As one of the crew members clocks Bishop II around the head with some sort of sledgehammer, the men clad in white shoot this guy, and he hurls himself off a platform. Watch the position, and slow down if neccesary in which way he falls. He fell forwards onto the floor below, which means he would have hit the floor face down. However, in the next scene, he is seen to be face up.Chad_Bronson
Corrected entry: In both the theatrical and director's cut versions of the movie, right before Murphy gets killed in the vents, he calls out to the dog "Spike". Because in the theatrical version the alien incubated inside the dog, Murphy mistakes the alien for the dog. However, in the director's cut, the alien incubates inside an ox instead of the dog, but Murphy still calls out to Spike even though the dog doesn't even exist in this version of the movie.Zvriith
Corrected entry: After Clemen's death, there is a shot of the ventilation shaft into which he was dragged by the alien. However, the shaft seen is the one in which Andrew's is taken into by the alien later. You can tell the difference because of the ceiling colour and the design of the ventilation shaft.
Corrected entry: In the other alien movies the chestburster's head is not yet formed the way the warriors' heads are, yet the chestburster from the dog (or, in the director's cut, the ox) has its head shaped like the warriors' heads, not the heads of the chestbursters seen in the other movies.
Corrected entry: They try to kill the alien by covering it in molten lead. Lead is one of the heaviest elements we know about. Unless the alien and the guy it was eviscerating were made of a denser material than lead (unlikely, since we see it cling to flimsy ceilings etc) both the alien and its prey would have bubbled to the top of the lead, much as a balloon would rise to the surface in a swimming pool.Jon Sandys
Corrected entry: Early in the film, Ripley asks Clemens to get her a "computer with audio capabilities". He replies that they've got nothing like that in the prison. However, later during the big chase sequence through the tunnels, we repeatedly hear a computer voice giving out audio information when doors are opened and closed (such as "Door B, Channel 7, safe" etc.).
Corrected entry: At the end of Alien 3, just before the credits, (I don't know if this is in the Special Edition), inside the EEV there's a recording of Ripley saying that she is the last survivor of the Nostromo, and that all the crew are dead. How can this be if the Escape Ship from the Nostromo and the Escape Ship from the Suloco are completely different ships.
Corrected entry: Something to note about the "dog" alien. Not only does it run around on all fours, and as Ripley says "it's different then the others", in one scene it does in fact act like an adolescent dog. I'm not trying to be vulgar or anything like that, but in the scene where they are leading the alien around, it has killed someone. It looks like it's eating that person, but what it's really doing is gyrating...it has mounted the person the same way a young dog will mount a pillow and "go to town."Michael Westpy
Corrected entry: When the prisoners are being chased by the alien in the corridors, it is seen that it runs much faster than the prisoners, yet can't catch them. Sometimes the alien is shown right behind them but when it switches to the alien's sight, you can see it is further away.
Corrected entry: How come the alien eggs in all the films look different? At least the ones in the first three films should be looking the same since they came from the same queen.
Continuity mistake: Just after the doctor started the post mortem on that little girl, the front of his gown is covered with blood. Yet, a few seconds later, after the two other guys appeared, his gown looks better, with less blood. And during the whole post mortem scene, the blood spot actually changes its size a few times. (00:17:55 - 00:19:55)
Dillon: I wanna get this thing, and I need you to do it! And if it won't kill you, then maybe that helps us fight it.
Trivia: The plot of the movie is a combination of two spec scripts written for the film - one was by David Twohy (Riddick) who wrote a script set on a prison planet, and another by Vincent Ward, set on a monastery planet with the same characters and basic plot. Despite this, neither received credit for the screenplay (Although Ward received story credit).