screenrant.com -BY CRAIG ELVY -Supernatural has seen a wide selection of arch-villains pass through the Winchesters' lives. Here's how each was defeated, and who beat them.
screenrant.com -BY CRAIG ELVY - 邪恶力量 began in 2005 and follows Sam and Dean Winchester all the way to season 15. But how old are the brothers at both the beginning and end?
screenrant.com -BY MICHAEL KENNEDY - At the end of 邪恶力量 season 3, Dean was sent down to Hell, and after his return, revealed how time works there when compared to Earth.