Continuity mistake: Kraven casually sniffs a couple and ruins their relationship. He then sits down with his brother; Fred Hechinger's hand keeps changing position between shots, holding a fork or not.
Continuity mistake: Antonio visited his ex at his new educational centre. He confesses his hopes to his female friend, who tells him it's a bad idea. During this scene, Michela Giraud's hands change position noticeably between shots, sometimes during mid-sentence cuts. (00:24:00)
Continuity mistake: The day before the Knebworth concert, Robbie is on a lake and his dad wades into the water. The trees are turning gold for the fall. The next day, at the concert, the trees are all green.
Continuity mistake: When Ryan puts the first blade in the box during his magic show, he first holds the blade in front of the box, but in an instant cut, it's already in the slot. In the next shot, it's out of the slot again, then Ryan puts it in again. Ryan still holds the blade after putting it in, but in the next shot, Ryan is suddenly not holding the blade anymore. (00:02:28)
Continuity mistake: Right at the beginning of the film, Michell walks into the gate of the school. The sun is off to one side and it's later in the day. Instantly, when he's inside the school, the sun is overhead.
Continuity mistake: Dylan goes over to the hospital to see Guthrie near the beginning. He offers to play a song for Woody. As he's pulling out the guitar, you can see he is wearing gloves. The angle changes as he starts playing. The gloves are completely gone.
Continuity mistake: The 6888 arrived in Glasgow in February 1945. Their breath is frosting the air. Three months later, in May 1945, their breath is still frosting the air; there is frost on the ground and still no leaves on the trees.
Continuity mistake: When Bobbie Jo holds up the jar with the spider in it and tells Hellboy that she got the cargo back, he is looking straight ahead towards the wall of the church. In the next shot angle, he's suddenly looking at her face. (01:29:16)
Continuity mistake: When Eddie and Martin meet for the first time in the woods and they are having a conversation, Rhys Ifans wears his necklace with the pendant above his clothes in the majority of the shots, except the ones when the camera is focused on Tom Hardy and he is facing left. In those shots, the pendant is under the T-shirt.
Continuity mistake: After the scene with the elevator bringing up the bricks, Garrett Morris and Jane Curtin are having a chat, smoking together. Garrett asks, "You wonder exactly what it is you are doing here?" As he asks that, Kim Matula is leaning her head against her hand. The shot changes and it is dangling off the railing. (00:40:00)
Continuity mistake: When Elizabeth is writing Sue's name on the 17th square on the calendar, she writes it roughly down the middle. When the shot changes, Sue's name is now on the lower half of the square. (00:45:38)
Continuity mistake: After the bad biker bites Noel, he removes the rearview mirror from the windshield and smacks the bad biker with it. However, when Noel tells Katie to drive the car, in the exterior shots as she sideswipes another car, the rearview mirror is back up on the windshield; then it's off again. (00:33:35)
Continuity mistake: During the cartoon short that opens the movie, Joker, on his way to the stage, breaks the arm of a man in the corridor. In the background, slightly ahead of him in his path, is a poster for Charlie Chaplin's Modern Times. The camera angle changes as Shadow Joker turns around; he is supposed to be in the same spot, but the poster is way behind him; Joker is now standing next to the Pal Joey poster.
Continuity mistake: As Tyler drives next to Javi's truck, we see Kate, and Tyler has two hands on the steering wheel. As the camera pans to Javi, then back to Kate, Tyler has one hand on the steering wheel.
Continuity mistake: When Axel introduces Serge, he places his hand next to his ear as if he were hard of hearing. From the opposite angle, his hand is lowered. As of then, the position of his hands is not continuous between shots.
Continuity mistake: When Samira and Eric arrive at the jazz club, Eric sits Samira down and then goes outside. A drum kit can be seen with "East Harlem Best" written on the front. Right after he leaves and right before Samira stands up to plug her iPod in, a bar stool has suddenly appeared in front of the drum kit. Eric will move this same bar stool in front of the drum kit himself again later on in the scene.
Continuity mistake: At the gas station, Thelma and Ben are talking to random people Thelma thinks she knows. Meanwhile, her family is on the way there. The sun is going down in this sequence and it's noticeably getting darker. Before they run behind the building, it's suddenly lighter outside and gets darker again.
Continuity mistake: During the robbery at the convenience store, Marcus raises his left wrist and looks at his watch. A shot later, his hand is lowered.
Continuity mistake: When the milkman is drinking milk in the bar and talking to the Tony the Tiger actor, the amount of milk in his glass changes with the different camera angles. It goes from 2/3 full to mostly full to half full back to mostly full. (00:54:56 - 00:55:45)
Continuity mistake: When Gus March-Phillips is being recruited, Gus helps himself to whisky then grabs some cigars from a cigar box. The cigar box is easily identifiable as a Fuente Fuente Opus X brand, made by Arturo Fuente. Opus X cigars were first produced in November 1995.