This show has had it's fair share of problems but overall they can be overlooked as Sam 'n' Dean are without a doubt the best TV duo in existance. Sexy, smart, funny and not above taking the Michael out of themselves, Jared Padaleki and Jenson Ackles on screen chemistry is beyond reproach. When they fight, when they're friends and all the brotherly interaction is believable. Also loving both cass and crowley as the literal angel and devil on the boys shoulders, mischa collins and mark shepard who bring both humour and honesty to the characters.
From Heaven to Hell, and every where in between, Sam and Dean has been through it all. I loved it since the beginning. Supernatural will make you excited, let you down, pump you back up, scream, laugh and make you cry.