Even though you didn't give us the fragment with the comma slice, it isn't really necessary here as we can answer just based on these 4 options here. All options apart from the second one are correct - only the second option doesn't fix the mistake of the comma splice, whereas the other options do but connecting the sentences properly.
He feels sad and moody for disobeying Atticus
Answer:
the last one is the correct one
Your purpose for writing the essay might be to persuade the reader to watch that particular TV show.
(As for the questions below, I think you have to answer those yourself based on the TV show you've chosen.)
