ETonline has your exclusive first look at Wednesdays all-new episode of Supernatural on The CW.br Deaths Door - Bobby revisits his past to solve one of the most personal cases of his life. Meanwhile, Sam and Dean race against the clock on a high-stakes .br Promo for episode 7: The Curious Case Of Dean Winchester Originally aired on 29 October 2009 Disclaimer: Supernatural created by Eric Kripke; clips .br In the history of television, a very small percentage of series manage to stay on the air for more than a decade. More often than not, those shows that do hit that .