AIRED ON 2/16/2017
Season 12 : Episode 12
AIRS ON 2/23/2017
Season 12 : Episode 13
Sam and Dean come across a series of novels called Supernatural depicting their lives as demon hunters in detail. The brothers meet the author of the novels, Chuck, who explains he has visions of Sam and Dean in action then puts their adventures in his novels.
A siren casts a spell on men in a small Iowa town, driving them to kill their wives.
Sam and Dean are faced with magicians delving in black magic. They investigate after several people wind up dead in ways similar to the illusions the magicians perform on stage.
Dean gets transported back in time and ends up in Lawrence, Kansas, where he crosses paths with a young version of his parents, who have just fallen in love.