Board Thread:Show-Related Questions and Answers/@comment-26443838-20151222165044

I know recently they said for each half of season 5 have different themes.

5A: "Nothing is what is seems" or Evil isn't born, it's just made" 5B: "The Past comes back to Haunt Us", and "Closures"

Can you guys remind me what the themes are for the previous seasons and arcs? 