The Weasley Twins gave Harry the Marauder's Map. When the map opens, it shows the names of four people. Notice the order of these four people, which in turn is the order in which they die in turn, namely James (the pointed fork), Sirius Black (Bigfoot), Peter Pettigrew (Wormtail), and Lupin (Moon Face).
Still on this marauder's map, the spelling of "moony" on it has been mistakenly written as mooney. However, this is not a mistake of the prop team, they deliberately designed it, because the name of the film's visual effects supervisor is Karl Mooney. The production team deliberately made a joke with Karl Mooney.
The fat lady's portrait was torn, and she pointed out that Sirius Black had done it. When Dumbledore heard this, he hurriedly ordered the school gates to be closed. At this time, the film gives a shot of a full moon accompanied by a wolf bark. Everyone knows who is calling.
Next to the portrait of the Fat Lady, there is a mother and son. The actor is the wife and child of the film's director, Alfonso Cuarón. Is this a convenience to borrow a position? But Chris Columbus, the director of the first two films, did the same thing, starring his three children as hogwarts students.
Pet Rat Spot has a great presence in this movie. Perhaps to underscore its importance, the speckled figures in this film are much larger than the previous two films.
The Scream House is a highlight of the movie. I don't know if you noticed, though, that the Scream House is alive and wobbles from side to side, especially when Snape comes out and the door behind him moves more noticeably. Moreover, as the house moved, it would make a creaking sound of wood, as if a gust of wind could blow it away.
Prisoner of Azkaban is the only film in which Voldemort does not appear. But director Alfonso Cuarón, in order to make up for this "absence", let Voldemort appear in the corridors of Hogwarts in the form of an oil painting. The same was true of Professor Flitwick, who, in order to cast the role of Warwick Davis in the film, Alfonso Cuarón arranged for him the role of choir conductor.
In the dead of night, Harry was holding a marauder's map to look at it, when Ron woke up from a nightmare in which he dreamed that the spider had him tap dancing. In the next "Goblet of Fire", this scene really appeared. Fake Moody demonstrates the Unforgivable Spell in class, and the spider is painfully dancing a "tap dance." That said, Ron had several accurate prophecies in this series, but ironically, his divination class hung up.
During a Magical Animal Protection class, Hagrid asked who was going to come up and say hello to Buckbeak, and the students took a step back and pushed Harry out. Just as Harry stepped forward, Buckbirk flew. This is the first time a shot of an animal trumpet appears in a feature film, although it is only made by CGI.
Hermione and Harry used the Time-Turner to travel back in time to save Bikback. Professor Dumbledore deliberately told the minister to buy them time, "I think it is necessary for me to sign my name [on the execution order]." The minister also joked that his name was really long. Many people at the time wondered, is the name albus dumbledore very long? But in the Order of the Phoenix, the full name of Colonel Deng officially appears, namely Albus Percival Wulfric Brian Dumbledore. I have to say, it's really long.