Continuity mistake: As the movie ends, the heroes walk from the trashed red robot towards the ambulance & trucks, and the woman sitting in the ambulance has a blanket over her shoulders, then there's no blanket, then it's on her knees, then her shoulders, then it's gone...
Continuity mistake: When the awful cousin Charlotte hands Gwen the slice of unbirthday cake, she does it with her right hand, left hand, right hand. (00:04:20)
Continuity mistake: In "China", when the trackers and the hunters are walking through the forest at night, between shots, the group goes from five people to four people back to five people. (00:30:46)
Continuity mistake: The movie opens with a man walking with a dog by a body of water. He is holding the leash with his left hand and the dog is by his left side. Cut to the next shot taken from across the water, the leash is now in his right hand and the dog is on his right. (00:00:20)
Continuity mistake: When Santana is going to open the bloody written locker, he takes the key off his neck, but when he puts the key in the keyhole, it's around his neck again. Some moments later, when he is talking with Johns, the key is off his neck again.