Most Insane Plot Holes from the Harry Potter Movies


The Top Ten

1 Harry Uses Magic Outside Of School

At the start, for example, of Harry Potter and the Prisoner of Azkaban he does. Harry is in his room at 4 Privet Drive using the Lumos charm to read at night. But he's an underage wizard using magic outside of school, an act that's forbidden in the wizarding world. What's more, he's using magic in a Muggle house. - B0S5J4M3S

Um, that was just in the movie, I think. Didn’t he use a flashlight in the books? Correct me if I’m wrong, please.

2 Polyjuice Potion isn't suppose to change your voice

Characters in the Harry Potter movies use Polyjuice potion numerous times. Whenever they do, they physically transform into someone else, but their voice remains their own. Except in The Goblet Of Fire, with Barty Crouch, Jr.
Given the rules established in the films (and only the films) about voices remaining the same, Mad Eye Moody in Harry Potter and the Goblet of Fire should have, at the very least, a slightly different voice than the real Mad Eye. - B0S5J4M3S

3 Snape's Magical Defense Of The Pihlosper's Stone Is Missing

In Harry Potter and the Sorcerer's Stone, Harry, Ron, and Hermione suspect Snape of trying to steal the Sorcerer's Stone, but they're told explicitly by Hagrid that he's one of the teachers tasked with guarding it. This heavily implies that he has a magical defense of the stone in place, like the other teachers.
In the book, Snape's defense is a logic test, in which Harry and Hermione have to figure out which potions will kill them, and which will let them move on and back, respectively. This, however, isn't in the film at all. But... Hagrid said Snape's protecting the stone. How? TELL ME HOW! - B0S5J4M3S

4 The Death Eaters Just Walk Into Hogwarts

The entire plot of Harry Potter and the Half-Blood Prince centers around Malfoy fixing the Vanishing Cabinet so the Death Eaters can break into Hogwarts. He succeeds and a battle ensues, with students and teachers fighting Death Eaters in the halls of the school.
Except in the movie, this doesn't happen. Yes, the Death Eaters are brought in, but they're literally allowed to walk through the school blowing everything up. Instead, the violence happens at the Weasley's house, which makes no sense. It's not like Voldemort's whole plan was to commit arson against one wizarding family. - B0S5J4M3S

5 The Aurors And Harry Fly Through London

At no point in the books does J. K. Rowling write, "and then they flew on their broomsticks past countless Muggles, skimming boats for funsies, despite the fact that they're all Ministry employees and it's highly illegal." In the beginning of Harry Potter and the Dealthy Hallows, Harry and his Auror rescuers do precisely that. There's nothing quite like sacrificing the integrity of a franchise's reality for a pretty shot. - B0S5J4M3S

6 Movie Dumbledore Is Dumb

Many fans think Richard Harris was an amazing Dumbledore who captured the character perfectly. Michael Gambon, on the other hand... not so much.
The writing of this scene in Harry Potter and the Half-Blood Prince is probably the real culprit, but nothing Dumbledore says is consistent with the book. First, after they learn that a young Tom Riddle was indeed seeking guidance on making multiple horcruxes, Dumbledore says, "This beyond anything I ever imagined." Uh, no it isn't. In the novel, it's precisely what Dumbledore imagines. He had actually suspected Riddle's diary was a horcrux all along, and that there might be more given how careless he was with it.
Then Dumbledore goes on to say the horcruxes "could be anything. The most commonplace of objects." Wrong again. They are only objects Voldemort viewed as extremely significant or important, another thing book Dumbledore understood about him. - B0S5J4M3S

7 Harry Is Allowed To Nap At The Death Eater Attack

When the Death Eaters attack the Quidditch World Cup in Harry Potter and the Goblet of Fire, chaos breaks out until nothing remains but a wasteland of burnt tents. Oh, and Harry lounging in the dirt in the middle of said wasteland after getting knocked out. How does he make it out alive, seeing as how he's Voldemort's number-one target? - B0S5J4M3S

8 Expelliarmus Does One Thing! DISARMING!!!!!!!!!

In the books, the Expelliarmus spell disarms people, and it's Harry's go-to battle move. In the movies, everyone uses it all the time, and it always seems to have a different effect. Sometimes it simply disarms someone, but more often than not, it blasts people off their feet and sends them flying across the room. They always do drop their wand when this happens, so technically it works. But still! - B0S5J4M3S

9 Harry Forgets How To Do The Patronus Charm

In the opening scene of Harry Potter and the Order of the Phoenix, Harry uses the Patronus charm to scare off a dementor. And what form does his Patronus take? That's right, a big silver ball! Wait, what? So, even though Harry learned how to produce a fully corporeal Patronus two years earlier, he can't manage to do it here? - B0S5J4M3S

10 Harry Does NOT Have His Mother's Eyes

Daniel was allergic to green contact lenses. Adult Lily had blue eyes in the films like Daniel.
11 year old Lily had brown eyes but that was just a mistake, but just go with Adult Lily.

Throughout the Harry Potter series, pretty much any time someone meets Harry who also knew his mom, they tell him "You have your mother's eyes." This happens so often that he begins to get annoyed by it, although it is nice when movie Snape says that right before he dies in Harry Potter and the Deathly Hallows: Part II.
What isn't so nice is that, in the movies, Harry decidedly does not have his mother's eyes. In the books, both Harry and Lily have green eyes. Daniel Radcliffe has much darker eyes, and they definitely ain't green. You couldn't even use some colored contacts? Come on PEOPLE! - B0S5J4M3S

The Contenders

11 Barty Crouch's Escape from Azkaban

The movie provides practically no explanation for this.

In the book, it was Barty Crouch jr.'s mother who pleaded to her husband to let him out, and the house elf helped to come about.

But, in the movie, the liberation of elves from labour was edited out of the story, and along with them, was Winky (the Crouch's house elf). So, how Barty Crouch Jr. got out of Azkaban wasn't explained. - clusium

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