Continuity mistake: After Rey touches Luke's lightsaber she begins to have the vision, and when she falls to the floor the blaster is missing from the back of her belt, but after she "sees" Luke and R2 and then stands up the blaster is back again, tucked into her belt (even though Rey's having her vision of things all around her, she herself is not a vision).
Continuity mistake: When first arriving on Earth the aliens do a clean up of things not needed, one of these being toilets, then in a scene minutes later you see the main alien character brushing his teeth with a toilet brush standing next to a toilet. (00:05:45 - 00:07:00)
Continuity mistake: SPOILER - The wounds on Pietro's body change. The most noticeable one is on his right shoulder. The amount of blood decreases too.
Continuity mistake: When Maleficent places the glasses on Beast's face, their position keeps changing all the time.
Continuity mistake: In the last scene outside there is a lot more machinery assembled than the one engine Sir Thomas was working on.
Continuity mistake: After Thomas biffs the trucks, the position of the way they are derailed changes between shots.
Continuity mistake: In order for Superman, Wonder Woman and Batman to break into the secret room, they knock it down. Four enemies who were waiting for them in front of the door are crushed by the falling door and blood is splattered, forming a pool of blood in front of the door. During the fight that follows, there are several shots where the knocked over door is shown, but the pool of blood at the front of the door has vanished. (00:07:10)
Continuity mistake: When Peter Pan is fighting the tribe's Pan on the trampoline and they're just about to finish Peter Pan off, the elder chief calls for the fight to stop. Peter's arms are above him in the overhead shot but are outstretched in the view from behind Peter.
Continuity mistake: Lotte is in her room looking at the checklist for the parade. The size and angle of the quill pen change every time there's a cut. (00:14:40)
Continuity mistake: The resident bully approaches Mara once her rather embarrassing mum left. Mara turns around and tries to power her way out of the predicament; in the background, the girl with the bright red dress has her arm across her waist, but at the cut she has both arms behind her back. (00:02:40)
Continuity mistake: After Jupiter receives her Tax ID number, when they're at Seals and Signets the man takes the ID and holds it up with his right hand, but next shot it's up in his left hand, then it's back up in his right hand. Additionally, after he puts the ID in the machine he takes it out with his left hand, but next shot it's up in his right hand. (01:05:00)