This leads Dean to momentarily believe Sam was still possessed by Lucifer. However, it is later revealed that, whilst his body and mind are not in the Cage, his soul is. During the time that Sam was soulless in Season 6, he lacked empathy and behaved like a sociopath.

Sam loses his demon powers, claiming that the force that transported him and Dean onto the plane cleaned him up. He feels tremendous guilt for starting Armageddon and soon learns his acts have revealed a destiny Dean will be the vessel of the Archangel Michael to fight Lucifer.

1. The Exorcist (1973) Finally, we have reached the end of our list, with the 1973 Exorcist reigning as Rotten Tomato's all-time scariest film.

1. The Exorcist (1973) By the '70s, horror had divided into two camps: on one hand, there were the 'real life' terrors of Psycho and Night of the Living Dead, films that brought horror into the realm of the everyday, making it all the more shocking.