If you know what's coming, then spoilers probably aren't going to be a big deal for you; but there may be some discussion (translation: rants) of either subtle changes or drastic differences that you might want to avoid until you see them for yourself.
https://www.youtube.com/watch?v=ysYr7wQ35lU&feature=youtu.beVideo can't be loaded because JavaScript is disabled: Happy! Season 1, Episode 1 Recap: "Less Paperwork[...]