User blog:BlooKaboom/What makes a season good or bad?

We all have our favorites and least favorite seasons. But how do we differentiate the two? Why do you like your favorite? Why do you hate your least favorite (or not like it as much)? What factors play a role in this? I will be rewatching the series so I can properly determine what I like and don't like.

Bonus: What makes a character good/bad?