Poll of the Week: Saddest Trek Moment?

Many scenes throughout the history of the Star Trek movies and television shows have touched, shocked or saddened viewers. In this series we ask which of these moments got to you the most? We will give you some of the scenes we found to be the most heart touching, tear-jerking, and most surprise jaw dropping and ask you to pick which one got to you the most.
First up in this series of questions is which moment from all of Star Trek did you find the saddest. Did you shed a tear or feign allergies upon seeing any of these scenes on the small or big screen. Choose which moment below had you feeling sad, that just happened. Was your most tear jerking moment not listed let us know what It was in the comments.
So tell us: Which moment from Star Trek did you find the saddest? Click here to vote now in the poll on our forums.
This question is the first from our category General Trek, where we will pose questions about favorite scenes, characters, and starships. Many will be parts of on going themed series as this one was.