Continuity mistake: When Joan walks onto the landing holding a pet bed she tells her father she's putting the bed in the guest room and you can see her hair is tied in a ponytail. However, when she then enters the room, her hair is now untied and down her shoulders. (00:21:11)
Continuity mistake: When Skippy is attacking Jason the blood on Jason's face moves around quite a bit. (00:23:24)
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: When Sheriff Flemings and James drive to the sugar mill the emergency lights on Flemings squad car change back and forth from blue/white to red/white between shots. (01:09:42)
Continuity mistake: Towards the end of the film we see a pizza boy attacked by the flying monkeys and in the struggle the front wheel of his bicycle is bent out of shape. However, later on when James and the Sheriff find the bike, the front wheel is now perfectly straight.