Tonights the night we disect the evolution of Dexter. Through seven years and eight seasons, Dexter Morgan grew from being a bloodthirsty psychopath, to a compassionate husband and bigger brother. But what happened along the way?WatchMojo looks over the evolution of Dexter. Whats your favorite season of Dexter? Let us know in the comments!Watch more great Dexter related content here: Top 10 TV Anti-Heroes -