Comment by internet_points

Some of the animated adaptations were freakier than others: https://www.youtube.com/watch?v=aVQlJDtzUbo

(And even the books, floods and comets, children's books about impending natural disasters, not of the magical kind that you know aren't real anyway, but of the kind that have actually destroyed life on earth before and might happen again, that's real nightmare fuel for active children's imaginations.)