Supernatural returns with an episode tonight that will change history.
Not in the way that probably makes it sound. In fact, Executive Producer Sera Gamble says that this week's installment is lighter fare as far as Supernatural goes.
Yesterday, we posted a couple of sneak peeks of "My Heart Will Go On," in which Sam and Dean must find and reverse the course of a Titanic-sized twist of fate.
Here's an insider's take on what's to come tonight on the CW: