Continuity mistake: When the old woman is cooking she is stirring the casserole. When it cuts she is spicing the food. (00:20:45)
Continuity mistake: When the father says to Rosie "You just saw a rat", he is holding his arm around her. When it cuts he has his arm in front of her. (00:37:40)
Revealing mistake: When Charlie shoots the critter which flies into the air and explodes, we can see the wire the critter is attached to. (01:07:45)