So Troi keeps hearing the aliens tell her, "Eyes in the dark, one moon." The crew figures out that his means that they need to send hydrogen to the aliens, because they figure that one moon is one electron revolving around one proton. But if the aliens can send a message in English, and are sophisticated enough to use metaphors, why can't they just say, "send hydrogen." It makes no sense and the entire episode is base on it.
Review of Night Terrors
