You set up a story and it turns inside out and that is, for me, the most exciting sort of story to write. The viewer thinks it's going to be about something and it does the opposite. ↗
Series finales have that responsibility to leave you feeling good about entire series. You want to feel like the viewer closes the book satisfied. And if you strike out on the finale it skews how you feel about the entire series. ↗
Basically, what you really want to do is try to engage the viewer's body relation to his thinking and walking and looking, without being overly heavy-handed about it. ↗
Some movie I was in, I forget which one, some awful little movie, a reviewer said, What is Jessica Walter doing in this movie? And I said, Hello? Trying to make a living? ↗