Continuity mistake: During baseball game in the clearing, Rosalie's back shot shows her neatly curled hair. Front shot, her hair is kind of a mess.
Continuity mistake: When running through and marking trees, Rosalie's hair is flat and wilted. When Alice sees them stop due to James switching directions, Rosalie's hair is suddenly perfect.
Continuity mistake: When Bella is at the hospital, the little plant by her left changes place. First it is under the lamp; later it is no longer under it.
Continuity mistake: When Edward asks Rosalie and Esme to wear Bella's clothes, Rosalie has Bella's coat on her lap, but in the next shot it is on the counter next to her, with no time for it to have gotten there.
Continuity mistake: In the scene where they are driving up to the police station there is only one bright orange paper taped to the door, however close up there are three (orange, blue, black). Also a potted plant mysteriously appears - when they are driving up in Edward's car you can see there is no plant on the porch and when Carlisle comes out there is.
Continuity mistake: Different vampires have white faces but their ears and necks are normal color in different scenes.
Continuity mistake: Rosalie's roots go from visible to not visible in different scenes.
Continuity mistake: In the biology lesson after Edward comes back, the extra sitting behind Bella wears different clothing than when they are in the hallway after the lesson.
Continuity mistake: Just after showing Bella his room, Edward takes her up into the tall tree to see the view. In the close-up shot, the tree they are in has a different shape to its trunk and limbs and is actually a different tree type from the one that is shown when the scene cuts to a aerial long-shot and pans away.
Continuity mistake: Victoria is making prints to throw off the cops...she's using sandals but the print is of a bare foot.
Suggested correction: She was barefoot, what sandals?
Continuity mistake: When Edward and Bella are talking by the cliff, its raining and they are both soaked. Next scene shows them completely dry. It's not different days considering they have the same clothes on.
Suggested correction: When Edward is soaked, he is wearing a dark jacket, when he is dry, he has a light grey jacket, totally different.
Continuity mistake: In the prom scene just after Edward and Bella arrive, Bella motions to Jess, who is on a raised area with Mike, away from the dance floor. Bella then turns to wave at Eric and Angela. The shot focuses on them and then cuts back to Bella and Edward. In this shot, Jess can now suddenly be seen dancing behind them.