Re: most "wrong" episode...
I'll write more about this episode later (I have to leave for a bit) but take this tidbit from Jammer's review.
"Dear Doctor" is evidence that television absolutely does not have to pander to the lowest common denominator or hit us over the head with obvious dialog to get our attention. This episode earns our attention by simply telling a good story. "Dear Doctor" is, I fear, a rarer treasure than we might at first give it credit for. This episode stops and listens. It hears. It observes. It has a true understanding of human nature. It has perspectives of a kind that I want to see more of. And it believes in an audience that is interested in the true spirit of Star Trek and exploration rather than selling out in the name of being the hip flavor of the week.
This is a real story.
"Savor the fruit of life, my young friends. It has a sweet taste when it's fresh from the vine. But don't live too long... The taste turns bitter... after a time."