Corrected entry: When Shrek first sees Fiona with Charming, he assumes she has simply fallen for someone else. He does not know who Charming is, and moreover, he does not know that Fiona knows about the potion. Donkey would simply have to tell Shrek that Fiona knows about the potion, and Shrek would logically conclude that she is mistaking Charming for himself. This renders a sizeable chunk of the movie unnecessary.
Corrected entry: When the stallion is transformed back into a donkey, its horseshoes come off and land on the ground. But when Donkey finally comes back, the horseshoe is gone.
Correction: The horseshoes are part of the magical stallion form of Donkey, so when Donkey reverted to his true form, the horseshoe simply disappeared as well after landing on the ground.
Corrected entry: While attempting to steal the "Happily Ever After" potion, Puss tries to free the bottle from the round hole in the glass. Puss breaks the glass and moves a few other bottles on the same shelf, which causes them to fall a moment later. But surprisingly, bottles fall from many other places, as if Puss also moved bottles on other shelves.
Correction: Not all the shelves have glass covering them - the vibrations caused by the alarm when it goes off and the gears turning in the wall to shut the door shake the other shelves and make other bottles fall off.
Corrected entry: After pouring steamed milk on Mongo, we see Donkey and Puss terrified and then Mongo again, rising from behind wall with a funny wig on his head. The problem is that moment earlier the milk wasn't formed into a wig. You can tell the milk has swollen, but there's no swollen milk on his arms where it was also poured (and milk wouldn't have just drained off his arms without even any white residue).
Correction: The producers were after a bit of humor here, hence the outlandish wig created from the frothy milk.
Corrected entry: After the crate on the top of dungeon tower is blown up by Pigs Mice and rest, we can see it from the prisoners' point of view, and there are only remains of the crate at the edges, but in some places where at least short remains should've been, there is nothing. You can also tell that in right-bottom corner two short remains are little bit closer to each other than they should've been according to previous look of undamaged crate.
Correction: Please, let's not forget this is just an animated movie. The producers of the movie were more concerned with creating humor rather than a movie which conforms to the laws of known physics. If we follow the logic of the "mistake" suggested here to its ultimate end, then we would have to say the producers made a mistake by making Shrek an "Orge" which don't really exist, or including a donkey which can talk, when we all know donkeys don't talk.
Corrected entry: Donkey, as a stallion, jumps over five knights while trying to break into the castle. But when he lands, you can see six knights behind him.
Correction: There are six knights whole the time, only when Donkey is about to jump, his rear legs cover one of them on the left.
Corrected entry: When Shrek jumps onto Donkey after he lowered the drawbridge, he jumps on in front of Puss (when seen frame by frame) but in the shot immediately following he is behind Puss. (01:14:35)
Corrected entry: When Shrek kicks the guards away from the crank that reels the drawbridge up and down it should spin freely as soon as the guards hands are removed. But instead it takes a few seconds to move. And it doesn't have a locking mechanism, because Shrek doesn't even touch the crank to release it. (01:14:15)
Correction: Sure, you don't see him touch the crank to release it, but you don't see him move to the exact centre of the pathway either, both could've been done while the camera wasn't looking. There's also a crank on the side without guards, and since that side wasn't already leaning outward we'll assume there is a mechanism that has to be released.
Corrected entry: When Puss and Donkey are singing "Livin va vida Loca" Puss pulls on a chain and gets water all over himself. The next shot shows him completely dry. (01:18:00)
Corrected entry: When Shrek is reading Fiona's diary, it says that she had to wait for a prince to come and rescue her from her tower. However, that means Fiona must have still have had her diary when she was in the tower. It is clear that Fiona has not returned home since she was locked in the tower, so how could her diary have been at home?
Correction: An earlier entry in the diary reads that Fiona's going away for a while, possibly to a finishing school. Since there are later entries, it's entirely possible her parents told her where she was going and why. Including the tower and Dragon parts. After all, she's not gonna need rescuing from a finishing school or her room at the palace. The 'Mrs. Fiona Charming' doodles indicate that she knows where she's going, who's going to rescue her, and that there was plenty of time between being told all this and leaving her home and diary behind to draw a few hundred crayon doodles based on this information.
Corrected entry: The three maids in the mill are exactly like the three ladies in Wolfgang Amadeus Mozart's opera, "The Magic Flute" (1791) who all fall in love with Prince Tamino for his good looks and all want to take care of him when he wakes up after having passed out for fear.
Correction: One of the maids claims that Shrek must come from Europe because of his nice looks. There's nothing about that in the "Magic Flute". And Mozart lets the maids struggle for Tamino's love while he's still asleep. The scene is possibly a reference to "Sirens" (1994), where the Englishman Anthony Campion and his wife visit the Australian painter Norman Lindsay. He lives at a rural estate with his family and three lascivious models, who confuse the rather puritan sexuality of the English (European.) couple.
Corrected entry: At dinner with Fiona's parents, Shrek coughs up his spoon. It is not there in the next shot. (00:16:15)
Correction: Throughout the whole scene bowls, plates, and cutlery appear and disappear without reason, probably as a kind of joke. Also, the only time we see the correct portion of the table after Shrek coughs up the spoon is after the waiters have served the food, and they could easily and taken it away.
Corrected entry: Right at the end, when the clock starts to strike midnight, during the tolls they decide not to kiss. This is all very well except midnight always comes on the first toll, not on the last, so even if they had decided to kiss they would have been too late. However, it certainly allows more dramatic tension which is why it is done this way, although it's still wrong. (01:15:25)
Correction: Based on the story of Cinderella, the magic ends at the last stroke of midnight. It's a common fairy tale "fact" for the magic to end at that point.
Corrected entry: When donkey is transformed to a Stallion, he begins to "test" his abilities. When he runs around in a circle, notice that there is sand coming up from every step he takes, but no print, which there should be. (00:51:45)
Corrected entry: When Shrek visits the Fairy Godmother, she refers to the "happy endings" of several story books, including The Little Mermaid and Sleeping Beauty. Since these story characters really do exist in Far Far Away, presumably she's talking about events that have already happened to them. Yet, when we see Sleeping Beauty at the ball she's still asleep and has no husband with her; and The Little Mermaid steals a cuddle with the (supposedly repulsive) Shrek at the very start of the film - not the action of a happily married mermaid.
Correction: The story of Sleeping Beauty in the book is necessarily incomplete (having been published before her death) and may not include recent events like a divorce and/or relapse. The mermaid who cuddles Shrek is merely a mermaid, not necessarily the Little Mermaid, and the above argument would also still apply.
Corrected entry: After they wake up in the morning and are changed, they read the potion bottle, which is clear and empty, then put it back down. But in the next scene, it is kind of on its side and you can see blue potion full in the bottle.
Correction: The bottle has a bluish tint that may look like the potion, but it stays empty the entire time.
Corrected entry: When Shrek is reading Fiona's diary, at first it appears minuscule in Shrek's hand but in the following shot the diary's size has changed dramatically.
Correction: The diary remains the same size throughout the shots. The shot tightens making it appear to be bigger.
Corrected entry: At the dinner scene, Donkey refers to Lillian before the two are even introduced. (00:16:50)
Correction: Donkey is a close associate of Fiona, their daughter, who, given that they're going to visit her parents would almost certainly have mentioned their names at some point. Even if she didn't, it's hardly going to be difficult to find out the names of the King and Queen of a major country - they do tend to be quite widely known.
Corrected entry: Fiona's parents both have English accents, so how did Fiona acquire an American accent when she has been locked in a tower by herself for years?
Correction: Fiona, growing up alone, has had no outside influences on her voice whatsoever. In real life she would have developed no real language skills at all, but in the fairytale reality she does. Her voice (accent, if you like) is just the way she chose to talk while growing up - happens, in her case, to sound American.
Corrected entry: After Shrek, Donkey and Puss find out from the magic card that they can make a personal appointment in Fairy Godmother's office, Donkey starts walking in the direction of the office. But how did he know where to go, if he's never been there before, and the card didn't say where it is?
Correction: Donkey probably didn't know what direction he was heading, but was just eager to go off on another adventure.
Correction: The fairy Godmother explains to Shrek that Fiona will be better off with Charming, that she needs more than an Ogre to spend the rest of her life with. And, when dealing with emotions, there is no such thing as the logical conclusion. Logic is logic and emotions are emotions.
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