Corrected entry: Near the beginning of the movie when we see Gollum struggling with Frodo and Sam, Gollum drags Sam onto the ground and starts strangling him. Just before Frodo draws Sting and says "This is Sting..." there is a wide shot, and Gollum's arm is already underneath Sam's chin and he is so relaxed that it is clear he is NOT being strangled. However, in the next close-up shot, Sam makes a hiccup noise and Smeagol's arm slips under Sam's chin again.
Corrected entry: In Helms Deep, at several times, the command "fire" is used. This command only concerns fire weapons, not bows. The correct command would be "loose".
Corrected entry: At Helm's Deep when the Uruks are standing outside screaming, you can see one of the Uruks in a close up. His teeth in the back of his mouth are white and are not carnivore teeth.
Corrected entry: The climax of the Battle of Helm's Deep was based on an actual historical event: In 1672, King Louis XIV invaded the Netherlands. The Dutch thwarted the attack by cutting Holland's dikes, flooding the land and forcing the French troops to retreat.
Corrected entry: At the end of the battle of helms deep, Gandalf arrives from the East to save the day just as he tells Aragorn he will earlier. However, quoting from the book: "Upon the east too shear and stony was the valley's side; upon the left, from the west, their final doom approached". Their final doom being Gandalf, Erkenbrand Lord of Westfold and a thousand men on foot. (01:25:55)
Corrected entry: When Legolas makes his unlikely grab-and-jump onto the horse with Gimli as the warg riders approach, he is seen to be mounting the horse behind Gimli. A few moments later, we see him expertly shooting down enemies from his position in front of Gimli on the horse. His mounting of the horse seems like an easy maneuvre compared to either forward flipping over the Dwarf or grabbing the Dwarf and tossing him over his head (which Gimli would have taken as an insult anyway).
Corrected entry: When Aragorn, Legolas and Gimli encounter Eomer and his Riders on the Plains of Rohan, they have a little talk before Eomer leaves, crying "We ride North." But Aragorn has been running west, pursuing the Uruk-Hai, so is to the south of Fangorn Forest. Eomer has just come from Fangorn, where he slaughtered the Uruks, so he has just come from the North. If you have a map of Middle-Earth, have a look at it, and you can see that Eomer has come from the North so should, technically, be riding east or west.
Corrected entry: Just after Gollum is captured by Faramir's men and has had a hood placed over his head, there's a shot where 3 archers have their bows trained on him and Frodo. The archer on the upper right is illustrating the proper way to hold a bow. The archer on the lower left has his index finger wrapped around the arrow to steady it. If he released the string, the feathers would tear his finger to shreds like a monstrous papercut, and the arrow's flight would be completely screwed up. (Submitted by an archer who has learned the hard way.) (01:33:10)