Factual error: After their parents give up looking for the kids, there's a "time passing" scene showing the lit attic window from the outside of the house, in which the night grows lighter until it's morning of the next day. But the moon in the picture doesn't move. How can the moon stand still if time is passing?
Factual error: Nick says earthworms are dormant this time of year. In the summer? No way. Basic common sense says otherwise.
Answer: More along the lines of a serious health problem related to her "plumbing".
Greg Dwyer