These are what we call the 'YMMV items.' Things that some people find in this work. We call them 'your mileage might vary' because not everyone sees these things in the same way. This starts discussions in the trope lists, a thing we don't want. Please use the discussion page if you'd like to discuss any of these items.
Nightmare Fuel: The episode where the hometown of the main characters is attacked by terrorists who flood the area with deadly chlorine gas. The things we see are horrific, and the extended implications even moreso. Hundreds, if not thousands die. Now just imagine if it happened to you.
The aid worker in a Season 4 episode about transporting an Afghan child bride to another tribe. She is obsessed with the girl's plight and the lives of potentially hundreds of American soldiers mean nothing to her.