‘Supernatural’: How John Winchester almost returned in tonight’s episode

"Your eyes don’t deceive,Supernatural fans. Once upon a time, in a far away land known as the Supernatural writer’s room, a man known as John Winchester (Jeffrey Dean Morgan) was briefly considered for a return in tonight’s episode, which finds Sam and Dean in an alternate reality after Balthazar unsinks the Titanic."

Click here to read the rest of this very spoilery interview with Robert Singer.