screenrant.com -BY MEGAN HEMENWAY - Lucifer may seem like the ultimate villain in Supernatural, but not even the king of Hell can compare to the intimate evil of this season 1 villain.
screenrant.com -BY RICK STEVENSON - Supernatrual's final episode will be very personal, focusing plus on Sam and Dean's 'family' than the series mythos, according to writer Andrew Dabb.