The Darkest Hour is shaping up to be a Christmas day alternative to all the family films being released, and it will surly offer up a couple of good freights, as director Chris Gorak has figured out a really cool way to completely disintegrate a human body and still get a PG-13 rating. Today, we have a new TV spot from this alien invasion thriller starring Emile Hirsch, Olivia Thirlby, Rachael Taylor, Joel Kinnaman, and Max Minghella. As well as four Warning Sign promos. Check out this latest video and images below.