Instruct: Classify Amazon reviews into positive or negative sentiment
Query: I am a Firefly fan....

As a devout Firefly, Serenity, Dr. Horrible, Waitress fan, I like Nathan Fillion. I could see him in anything....except that horror comedy Slither which I watched but didn't like the subject matter. Seeing him without a scrip and wisecracking and genuinely smiling in this Castle Q and A reveals that he is the real deal. Stana not so much.