It's no spoiler to say that aliens attack on the new TNT drama Falling Skies. That's the basic premise of the series: Noah Wyle's Tom Mason leads a human revolt against these unwanted beings.
But it is a revealing secret to actually provide viewers with their first look at the extraterrestrials intent on our demise.
TNT has done just that, as the following photo depicts a "mech" in action. This species possesses some serious armor, along with laser sights and never-ending ammo. Drew Roy's Hal and Jessy Schram's Karen try to run from cover in this scene: