Continuity: On the Hogwarts Express, when Harry writes "Sirius Black" on the envelope it is written in thick black ink. However, in the next shot when the envelope is in Hedwig's beak, the name is written in thin ink, and the writing differs. Submitted by Rikki

Continuity: When Dumbledore is about to introduce the other schools and Filch comes running through the great hall, he runs past Ron twice on his way up to the podium. The first time Ron is sitting up and his head turns as Filch runs past. As Filch continues to run, he passes Ron again, who this time has been lying his head on his arms on the table, and sits up as Filch runs past.

Continuity: In class, when Moody writes his name, unforgivable (curses), etc., on the chalkboard, the handwriting distinctly differs in the following shots. Submitted by Rikki

Visible crew/equipment: In the dining hall when Dumbledore says, "Eternal glory, that's what awaits," it cuts to Harry and the other kids sitting at the table. Right behind Harry's seat you can see a white tape marker on the floor. Submitted by Mortug

Continuity: Seamus is sitting by Ron when Beaxbatons Academy and Durmstang are being introduced in the Great Hall. Then, when Mad-Eye Moody comes in and Hermione is telling them who he is, Seamus is suddenly sitting by her, across the table from Ron. Ginny also moves - she's initially by Hermione, then when Seamus suddenly takes her place, she's now sitting further down the table.

Continuity: In the Triwizard champions' tent, Rita's photographer captures the moving photograph of Hermione and Harry hugging, and subsequently letting go of each other. Later, when Hermione reads from The Daily Prophet, just before Ron opens his package, in the close-up of the newspaper their hug, the release, and where they both stand are entirely different in the moving photograph. Submitted by Rikki

Audio problem: At the cemetery, as Harry lies on the ground, when Voldemort leans over him and says, "If they speak of you they'll speak only of how you begged for death," in the shot facing Harry, before Voldemort continues to speak, his mouth still moves, though nothing is heard. Submitted by Rikki

Continuity: When the students are dancing to The Weird Sisters at the Yule Ball, Viktor Krum can be seen at the back of the group, jumping up and down, with Crabbe/Goyle jumping up and down behind him with his hands on Krum's shoulders. Immediately after, however, Krum is seen dancing with Hermione, and Crabbe/Goyle has disappeared, with no time to move between shots.

Deliberate "mistake": In the dining hall, when Dumbledore speaks to the students about the Triwizard Tournament, Hagrid is prominently seen in the background, but it's clearly not Robbie Coltrane in some of these shots and in other scenes throughout the film. Submitted by Rikki

Continuity: There is a scene where Harry is holding the letter from Sirius and we can hear Sirius's voice reading the letter. The words on the letter are different from the words we hear Sirius reading. Particularly the end where Sirius says, "P.S. The bird bites" the letter says, "By the way, the bird bites."

Continuity: In the scene when Dumbledore reveals the three Triwizard Champions, they show Harry sit down on one of the bleachers by the wall, along with Hermione, Ron, and either Fred or George. When we see Dumbledore again, both Fred and George are now sitting down at a table in the background.

Visible crew/equipment: In a number of shots within various scenes, the reflections of the reflector screen and set lights are briefly visible in the lenses of characters' glasses, such as Rita Skeeter's, or in characters' eyes. Submitted by Rikki

Audio problem: In the scene right before the champions enter the maze, Cedric Diggory hugs his father, Amos. When they pull away, Amos says, "That's my boy," but his lips aren't moving.

Continuity: After the Dragon Chase, Harry has the use of both arms in the scene where he opens his egg and makes up with Ron, yet his arm is in a sling in the following scenes - where Ron opens the box with his dress robes in, and for the dance lesson.

Continuity: At the Quidditch World Cup, just as Ron, Fred, George and the rest reach the top, when one twin shouts, "Come on," in the shot facing them, the Irish zoom between Ron and Cedric, as Ginny stands beside a twin. However, in the next shot from behind, as the Irish still zoom by, Ginny now stands on the opposite side, where Cedric was. (Clearer on full screen.) Submitted by Rikki

Continuity: When Wormtail slices his own flesh in order to revive Voldemort, he cuts off his wrist before the shot switches to Harry. Later on, as Wormtail approaches harry to receive his blood, his arm is missing from the elbow.

Continuity: In the DADA class, whenever there is a shot facing the class room, we can see that Ron and Harry are in the middle of the class room and Parvati and Padma are on the viewer's right side of the room (screen). Yet, when Moody makes the spider float from Padma onto Ron's face, in the shot facing Ron, the spider floats onto his face from the viewer's left side of the room (screen) whereas it should have been the right side of the room (screen).

Continuity: When Filch fires off the cannon for Cedric to go face his dragon in the first task, you see Karkaroff standing on Krum's left (viewer's right). In the next shot, the close-up of Cedric, Karkaroff is now on Krum's other side.

Continuity: During the first part of the movie, Moody doesn't have a eyebrow over his Magic Eye, it is clear because you can see the stitch marks. Then when he is talking to Harry he has a bushy white eyebrow where there wasn't one before.

Revealing: When Barty Crouch JR., as Moody, near the end of the film says about him providing Neville Longbottom with the book for the Gillyweed, Harry is mouthing his lines (before his close-up).