Factual error: In the diner, the kids listen to/dance to Britney Spears' "Toxic," which didn't release as a single until January 2004. This takes place in 2003.
Audio problem: Throughout the film, Ezekiel Sims' dialogue is out of sync with his mouth movement.
Factual error: At the diner, the trucker reads about the three girls' abduction in the Daily Bugle, with their photos, as he recognizes them. Less than 3 hours after it happened. (Cassie said she would return in 3 hours and they had already gone to the diner before she arrived).
Continuity mistake: Ben is eating Chinese food and takes a sip of his soda. From the opposite angle, he is already lowering the drink.
Continuity mistake: When Cassie arrives at the barbecue, a friend cries her name and extends his arms open wide. From the opposite angle, they're just slightly opened.
Continuity mistake: When Cassie arrives at the BBQ, Ben walks behind the man in an orange shirt towards her. Shot changes and he is a meter behind, repeating all previous movements.
Continuity mistake: At the BBQ, after Ben is given the spatula, Cassie looks at the woman on her right. A shot later, she is looking to her left.
Continuity mistake: After Anya tells the girls to eat quickly, she starts lifting a French fry to her mouth. A shot later, her hands are down and the fry is gone.
Continuity mistake: At the diner, after the girls decide to talk to the boys, Mattie stands up, and the blonde guy turns his head towards them. A shot later, he is facing ahead and turning his head the opposite way.
Continuity mistake: At home, when Cassandra reads her mother's diary, the position of both of her hands changes in every shot.
Continuity mistake: When the girls are about to arrive at the diner, Anya turns 90ยบ around to talk to Mattie and also moves her left hand. Shot changes and now she's facing at the diner, plus her arm is akimbo.
Continuity mistake: When the girls start doing CPR on Cassie, there's a strand of hair running along her forehead. A shot later, it has a different style and is closer to the top of her head.
Continuity mistake: In the woods, Julia talks about the spider-guy, and Cassie touches her nose in disbelief, then lowers it to chest level. From the immediate opposite angle, her hand is raised close to her head.
Continuity mistake: In the woods, Julia kneels by the fire with her sweater lying next to her. When she stands up, the way it's folded changes.
Continuity mistake: When the girls wake up, Julia stretches out her arms and rubs her eyes, her teddy-bear tangled in her arm. Meanwhile, Anya rises up and rests her body against the headboard. A short later, both Julia and Anya are still lying in bed.
Continuity mistake: When the cab crashes into the diner, the co-pilot's side-view mirror falls. A shot later, it's back in place, perfectly fixed.
Continuity mistake: In the woods, Anya and Mattie talk about eating, and Julia looks to her left. A shot later, she is looking ahead.
Continuity mistake: At the opera, Ezekiel hands the programme to a woman who stares downwards to read it. From the immediate opposite angle, she is still staring at him.
Audio problem: After Mattie is told she could be a superhero, she says, "What? I'm serious!" but her mouth is not moving. (01:48:09)
Continuity mistake: When Amaria tells Ezekiel about her surveillance, her right hand is raised. A shot later, it's lowered. (01:26:44)
