Continuity mistake: After Edward saves Bella from being crushed by the van, while he is holding her, Bella's hair is outside of her jacket covering up her hood. When the shot changes her hair is tucked beneath the jacket and the hood is visible. When the shot changes back, her hair is covering up her hood.
Continuity mistake: After Gerry gets smacked in the face by the 'broken' suspender clasp, we see the silver clasp land under the dresser. Yet, when he's moaning and lifting his leg to get onto the bed, we can actually see the clasp still intact on the front suspender that came loose, which is dangling right behind him (just look between his legs). Of course, in the next shot, that clasp is gone. Since the silver clasp is one of the plot points, this is bizarre to say the least.
Continuity mistake: When John and Catherine are in the hangar at the runway, the Cessna's tail number is N3035C. When the plane is shown in the air, the number is N3973F. When they land, the tail number has changed back to N3035C.
Continuity mistake: In the bedroom scene the girl is holding a clear cup full of beer. The camera goes off her and when it comes back she is holding a blue cup. The camera goes back off her then on her and the cup is clear again.
Continuity mistake: When Sam is in his bedroom, after he finds the Cube sliver it falls and dramatically burns a hole through the floor into the kitchen. But Sam's bedroom is over the living room (there is nothing on the ground floor below Sam's elevated bathroom, and in the first movie Jazz hides in this open space), and the kitchen is actually located between the den and dining room, at the other end of the house. If they were to follow the actual floor plan of the house, the Cube sliver would have landed in the area of the piano in the living room, but where would the fun have been in that?
Continuity mistake: When the dwarves finally decide to leave Erebor and join the battle, they swing a giant gold pendulum into the blockade they all made earlier in the film, knocking it over to create a causeway, across which they all then run in a battle formation, straight into battle. However, just as they all exit the keep, the pendulum is on its downward swing back outside of the wall. In all following shots (from numerous different camera angles) the gold pendulum simply disappears. This is most notable in the shot taken directly in front of Thorin as the dwarves run towards the camera. The pendulum should be visible in the large hole in the wall behind them, but instead the hole is empty, with no pendulum to be seen.
New this month Factual error: In the first scene of the film the girls are shown in a flashback playing with the Ouija board. When one of them holds the planchette up to the other one, the underside of it has text saying "© 2013" molded into the plastic, even though the scene is based years before that.
Factual error: The idea that humans only use 10% of their brain is a widely-circulated myth that has been debunked by neurological science many times over.
New this month Character mistake: When Peter catches the prison guard listening to his Sony Walkman, Peter tells him to take the headphones off and the guards taze him. Peter, referring to the song the guard is playing, then says "Hooked on a Feeling, Blue Swede, 1973. That song belongs to me." The Blue Swede version of "Hooked on a Feeling" was released in 1974, not 1973.