Corrected entry: In the scene when Harry is in the restricted section of the library he walks in in the dark with only a lantern. He puts the lantern down in front of himself and begins to read. If you look at the bookshelf, his shadow is cast on the other side of the lantern as though the light is behind him.
Corrected entry: In the scene where Harry and Ron are eating the sweets on the train, if possible, turn on the subtitles. Harry picks up a Chocolate Frog and opens it. The frog jumps out and Ron says that it's the cards you want. Harry pulls out a card with Dumbledore on it. At this point read the subtitles. Ron says "I've got Dumbledore." Then "I've got 'bout 200 meself." Think hard. Ron said Harry's line. Harry was supposed to say "I've got Dumbledore." (00:36:00)
Corrected entry: When Hermione is spotting Snape putting a spell on Harry's broom stick during the Quidditch match, she is using binoculars in order to see Snape, which suggests he is seated very far away from her and Ron (on the other side of the stadium). However, as she runs off to Snape to stop him, it literally takes her only a few seconds to get all the way around this massive stadium and up to where Snape is sitting along with the other teachers.
Corrected entry: In the flying practice scene, after Malfoy gets hold of Neville's rememberall, he flies up with his broom and, after dialogue with Harry, he throws the globe away. Harry, after flying at least twenty metres after it, catches the globe in front of McGonagall's window, which is at least on the eighth floor of a tower. When Harry flies back to the others and lands, McGonagall almost instantly comes up behind him. Now wasn't that a bit too fast? She can't have apparated, as no-one can do that on Hogwarts grounds.
Corrected entry: When the first years are walking down the Great Hall to be sorted you see them set off in one large group and get to about halfway down the Hall when we see them from another angle, and they are walking in pairs.
Corrected entry: When the three return to Griffyndor house after visiting Fluffy for the first time, Hermione says: "I'm going to bed, before either one of you comes up with another clever idea to get us killed". That doesn't make any sense because it wasn't Ron's or Harry's fault they ended up there. It was Hermione's idea to show Harry his fathers quidditch trophy, then the staircases changed and they had to run from Filch and ended up in Fluffy's room.
Corrected entry: After Harry escapes from Filch from the Restricted Section of the library, he is there when Filch comes to Snape and talks about how "that means there's a student out of bed." Snape's eyes light up and they all take off to find the empty bed. Unfortunately, nothing more is made of this, even though Harry then proceeds to stumble upon the Mirror of Erised and stay there for what appears to be a good long time. You'd think that both Snape and Filch would have jumped at the chance to punish a student breaking the rules, especially Harry, once they found his bed empty.
Corrected entry: If the Philosopher's Stone really was to be sealed away with all those traps and puzzles, wouldn't it have been a better idea not to leave the broom as an obvious helper in the room with the flying keys? That way anyone who didn't know they had to bring a broom - including Quirrel - would be trapped once they got through Fluffy.
Corrected entry: When Professor Quirrel runs into the dining hall, to tell everyone about the troll, he faints. It is shown that he falls down face first, but when it shows all the students running, Quirrel is suddenly flipped over, lying on his back.